there are two types of nucleic acids, dna and rna. nearly all organisms use dna, not rna, as the central repository for genetic information. t or f

Answers

Answer 1

The double-stranded structure of DNA ensures a precise mechanism of duplication.

DNA is more resistant to nucleic acid degrading enzymes.

Before each cell division, all organisms must duplicate their DNA with extreme precision. In this section, we'll look at how an elaborate "replication machine" achieves this level of precision while duplicating DNA at speeds of up to 1000 nucleotides per second.

This process requires the separation of the two strands of the DNA helix and the recognition of each nucleotide in the DNA template strand by a free (unpolymerized) complementary nucleotide. This separation exposes the hydrogen-bond donor and acceptor groups on each DNA base, aligning it for base-pairing with the appropriate incoming free nucleotide and polymerization into a new DNA chain via enzyme-catalyzed polymerization.

Learn more about " DNA and RNA " to visit here;

https://brainly.com/question/3540768

#SPJ4


Related Questions

Place the four images from the cell cycle in the correct chronological order. four magnified cells

Answers

Through mitosis somatic and germ cells divide and produce two identical daughter cells. The correct order is C, B, A, D. Option C.

What is mitosis?

Mitosis is a sequence of events that follows the interphase and preceeds cytokinesis. Together, they compose the cell division process through which a diploid somatic cell (2n), produces two identical daughter diploid cells (2n).

During cell division, the whole-cell first suffers duplication of its content and then it separates. Mitosis occurs in somatic cells and in germ cells.

Mitosis is divided into four phases,

Prophase ⇒ chromosomes condensate, and the nuclear membrane breaks. Metaphase ⇒ fibers of the spindle apparatus take chromosomes toward the equatorial cell plane, where they line up. Anaphase ⇒ specialized enzymes break the bonds between chromatids and separate them. Each chromatid migrates to one of the poles. Telophase ⇒ the new chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.

The correct order is C, B, A, D. Option C.

C ⇒ interphase. Lax chromatine.

B ⇒ prophase. Condensed and visible chromosomes.

A ⇒ metaphase. Chromosomes in the equatorial plane.

D ⇒ anaphase. Sister chromatids migrating to the poles.

You can learn more about mitosis at

https://brainly.com/question/25029470

#SPJ1

Complete question

Place the four images from the cell cycle in the correct chronological order.

Four magnified cells. Options,

A. Image A, image D, image B, image C

B. Image C, image D, image B, image A

C. Image C, image B, image A, image D

D. Image B, image C, image D, image A

with parsimony analysis the best or optimal tree is the one requiring the minimum number of character state changes.

Answers

True, With parsimony analysis the best or optimal tree is the one requiring the minimum number of character state changes.

What is parsimony analysis?

The principle that the most straightforward explanation is always preferable is known as Occam's razor, from which parsimony derives. When characters are optimally mapped onto the diagrams, parsimony analyses (when successful) lead to cladograms (branching diagrams) with the fewest number of steps (character transformations).

Parsimony, in general, is the idea that the most straightforward explanation for the data should be chosen. According to the principle of parsimony in phylogenetic analysis, a relationship hypothesis that calls for the fewest character changes is the one that has the greatest chance of being accurate. These character changes are known as DNA mutations in the field of molecular systematics.

Learn more about parsimony

https://brainly.com/question/28584216

#SPJ4

Full question:

True or False

with parsimony analysis the best or optimal tree is the one requiring the minimum number of character state changes.

Two different mice with yellow coat colors mate and have a litter of 6 mice, what is the number of mice that will have both yellow color fur and diabetes?

Answers

The number of mice that will have yellow fur out of the six litter will be four(4) this is as a result of the genotype.

What is genotype?

An organism's genotype is made up of all of its genetic components. The term "genotype" can also be used to describe the alleles or genetic variations that a person carries in a certain gene or genetic region.

The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene. In diploid organisms like humans, there are two complete sets of chromosomes, which means that each person has two alleles for each gene.

Homozygous refers to a genotype when both alleles are the same. Heterozygous refers to a genotype when there are two distinct alleles.

Phenotype, the observable qualities and attributes of an individual or creature, is influenced by genotype.

When a yellow mouse was crossed to another yellow mouse, the F1 generation produces yellow and brown-black mice in the ratio 2 : 1. The yellow mice are never homozygous.

Yy is the heterozygous genotype (one dominant allele, one recessive allele). The phenotype of this genotype is yellow seed color.

Learn more on genotypes here https://brainly.com/question/22117

#SPJ1

when a plant wilts, the stomata close. how does this help the plant?

Answers

The closure of a plant's stomata will retain water when the plant becomes dehydrated and wilts.

Two guard cells surround each stoma, a small pore or hole, and they expand and contract to close and open the stoma. The carbon dioxide content and the plant's water balance act as two controls on the opening and shutting of the stomata.

Guard cells inflate and bend as a result of water entering them through osmotic movement. The holes are opened by the guard cells expanding. Through open stomata, the plant absorbs carbon dioxide for use in photosynthesis. Through open stomata, oxygen and water vapor are also expelled back into the atmosphere.

Learn more about stomata here:

https://brainly.com/question/27787860

#SPJ4

which meristematic structure creates new xylem and phloem?

Answers

A plant's breadth is increased by meristems between the xylem and phloem.

Meristems are areas of unspecialized cells that can divide into new cells in plants. Unspecialized cells produced by meristems have the capacity to develop into any kind of specialized cell. Only specific areas of the plant, such as the tips of roots and shoots, as well as the space between the xylem and phloem, contain them.

Plants continue to increase in height and width throughout their lives thanks to the meristem cells they produce: Meristems near the tips of roots produce new cells continuously, enabling roots to lengthen.

A plant's tips of shoots, known as meristems, allow it to continue growing higher and spreading farther. Trees have yearly growth rings as a result of this.

Learn more about meristems here:

https://brainly.com/question/9274052

#SPJ4

Is more energy made with oxygen or without oxygen?​

Answers

Answer:

More energy is made with oxygen.

Explanation:

Just like when cellular respiration happens, when they use respiration they use and make energy more efficiently rather than through fermentation which isn't as efficient but doesn't use oxygen.

Without oxygen, organisms can split glucose into just two molecules of pyruvate. This releases only enough energy to make two ATP molecules. With oxygen, organisms can break down glucose all the way to carbon dioxide. This releases enough energy to produce up to 38 ATP molecules.

An organism is exposed to a mutagen, such as x-rays or ultraviolet light. What could be the effect of the mutagen on the organism? select all of the answers that apply.

Answers

The organism's response to the mutagen may be:

The mutagen may interfere with gene function, which would be bad for the organism.The mutagen might alter gene activity in a way that is advantageous to the organism.The codon-anticodon binding may be altered by the mutagen.

A mutagen has the power to alter genetic code to create a mutation, which affects an organism's morphology and functionality. These agents may be chemical, physical, or biological mutagens.Among mutagens' side effects are:The mutagen may interfere with gene function, which would be harmful to the organism. For example, structural changes in some proteins brought on by mutations can result in diseases like Fanconi anemia or Xerodermia pigmentosum. Another negative effect of mutagen exposure is cancer.

To know more about mutations  visit :-

brainly.com/question/17130462

#SPJ4

An organism is exposed to a mutagen, such as X-rays or ultraviolet light. What could be the effect of the mutagen on the organism? Select all of

the answers that apply

A The mutagen may disrupt gene function to the harm of the organism

B. The mutagen may change gene function in a way that benefits the organism.

C. The mutagen may change the genetic material of the cell from DNA to proteins.

D. The mutagen may change the binding between codons and anticodons.

E.The mutagen may have little or no observable effect on the organism.

sublimation process diagram​

Answers

Explanation:

[tex]here \: is \: your \: answer.[/tex]

[tex]have \: a \: good \: day.[/tex]

Select each of the characteristics that are key features of genetic material.

Answers

Key features of genetic materials are:

a) It must be variable through infrequent mutation

d) It must encode the blueprint to form proteins & other structures

e) It must be able to replicate & transmit to progeny

What is genetic Material?

The hereditary component of the cell is genetic material. It contains all information particular to an organism. Deoxyribonucleic acid, or DNA, or RNA (ribonucleic acid).  DNA can be found in the cytoplasm of prokaryotes like bacteria. In eukaryotes, which include plants and animals, DNA is found in the cell's nucleus (referred to as nuclear DNA) and, to a lesser extent, in extranuclear sites like the mitochondria (which contain mtDNA) and chloroplasts (containing cpDNA).

In the somatic cells of a multicellular organism, the genetic material that regulates the organism's makeup is identical. Because the genetic material can replicate along with the cell, new cells inherit the same genetic makeup as their parent cells.

To learn more on genetic material click,

brainly.com/question/16099437

#SPJ4

Full question:

Wave A ha a greater wavelength than Wave B. What can you tell me about the frequencie of Wave A and B

Answers

If Wave A has a greater wavelength than Wave B. Then frequency of Wave A is smaller than frequency of Wave B.

A wave's wavelength and frequency are inversely proportional. The result is that waves with high frequencies have a short wavelength, whereas waves with low frequencies have a longer wavelength.

The distance between two identical locations in successive cycles is known as the wavelength, and it is used to describe a waveform signal that is sent over a wire or in space.

Frequency is the number of waves that pass a specific area in a defined amount of time. As a result, the frequency is 2 per second if a wave travels through in half a second.

To learn more about wavelength, refer

https://brainly.com/question/4112024

#SPJ4

please help me !!Drag and drop each label to the correct area of the Venn diagram. Each area of the diagram will contain two answers.

Compare and contract science and technology using the Venn diagram below

Answers

Technology

Developed through invention and design

Has advanced due to the advance of the other

Searches how to improve observations

Science

Is advanced by experimentation

Searches how to improve observations

Searches for the causes of observation

Both

Has advanced through the ages

What is science and technology?

Science refers to the systematic study of the natural world through observation and experimentation in order to understand and explain phenomena. Technology refers to the application of scientific knowledge for practical purposes, such as in the design, development, and use of tools, machines, and systems.

The relationship between science and technology is often described as a feedback loop, where scientific discovery drives technological progress and technological advancements enable further scientific investigation.

Learn more about science:https://brainly.com/question/12842883

#SPJ1

What is the complimentary DNA sequence
for each of the following:
a) 5' TCGTAGGCT 3'
b) 3' CCGAATGCAT 5'

Answers

Answer:

a) 3' AGCATCCGA 5'

b) 5' GGCTTACGTA 3'

Explanation:

Based on complementary base pairing rules, T pairs with A, whereas C pairs with G.

In addition, because complementary strands run in complementary opposing directions, if the original sequence is in the 3' → 5' direction, our new strand is in the 5' → 3' direction, and the opposite for the original sequence that starts in the 5' → 3' direction.

the studded organelle that aids in protein synthesis____

Answers

The ribosome is a branched organelle that helps with protein synthesis.

All cells contain ribosomes, which are macromolecular organisms that carry out biological protein synthesis (mRNA translation). To create polypeptide chains, ribosomes combine amino acids in the order dictated by the codons of messenger RNA (mRNA) molecules. The short and big ribosomal subunits are the two main parts of ribosomes. Each subunit is made up of numerous ribosomal proteins and one or more ribosomal RNA (rRNA) molecules (RPs or r-proteins). [1][2][3] The translational apparatus also refers to the ribosomes and related components.

Learn more about ribosomes here:

https://brainly.com/question/241631

#SPJ4

_____functions in the translation of proteins and synthesis of lipids

Answers

The endoplasmic reticulum is an organelle that functions in the translation of proteins and synthesis of lipids.

What are lipids?

The group of molecules known as lipids is diverse and consists of chemicals such as waxes, fats, and other substances. As opposed to being soluble in polar solvents like ether, chloroform, and benzene, they are soluble in nonpolar solvents like water.

How does endoplasmic reticulum help in translating the proteins and synthesis of lipids?

The endoplasmic reticulum is an organelle that participates in the translation of proteins and the creation of lipids (ER). The nuclear envelope is related to the ER, which is a network of flattened sacs and tubules. Rough endoplasmic reticulum (RER) and smooth endoplasmic reticulum are the two different forms of ER (SER). On its cytoplasmic surface, the RER is covered in ribosomes, which are in charge of synthesising and altering proteins. After being carried to the RER lumen, these proteins are further folded and altered before being sent to other cell regions or released outside the cell. Steroids and phospholipids, among other lipids, are synthesised and altered by the SER.

To know more about lipids, visit:

https://brainly.com/question/3498396

#SPJ4

homologous chromosomes usually have the same arrangement of genes along their length. True/False ?

Answers

It is true that the homologous chromosomes have the same arrangement of genes present along their lengths.

Homologous chromosomes, also known as homologs, are the pair of chromosomes which are present in a diploid organisms. One of these chromosomes in the pair are obtained from the mother whereas the other chromosome is obtained from the father.

The word "homo" itself means same and the homologous chromosomes contain the same genes arranged along their lengths. However, these homologous chromosomes can carry different alleles of the same gene. These chromosomes have the same length as well as the same position of the centromere.

To know more about homologous chromosomes here

https://brainly.com/question/28459162

#SPJ4

Is Fergus a time traveler?.

Answers

Not a democracy, the Roman Republic existed from 509 BC to 27 BC. Once again advocated the positive aspects of the Roman republican government around the close of the 20th century.

The topic becomes more complicated if something that resembles modern democracy is mentioned. Many historians of the 20th century discounted Polybius. The elite, not popular power, would have been in charge in reality. In addition to the legislatures of the tribes, curias, and centurias, there was the Senate, which was indirectly elected. Of the 35 tribes that were already there, four gathered the underprivileged employees in the city, while the other 31 were owned. British historian Fergus Millar, who believed that the people of Rome had been powerful, once again advocated the positive aspects of the Roman republican government around the close of the 20th century.

Learn more about Democracy here:

https://brainly.com/question/5452453

#SPJ4

Key hormones of the sympathetic nervous system include:
A. acetylcholine and insulin.
B. epinephrine and norepinephrine.
C. glucagon and noradrenaline.
D. norepinephrine and acetylcholine.

Answers

A network of neurons in your body known as the sympathetic nervous system aids in the activation of the "fight-or-flight" response. When you're under stress, in danger, or working out, this system becomes more active.  Option D is correct Answer.

What is sympathetic vs parasympathetic nervous system?"Fight-or-flight" reactions are under the direction of the sympathetic system. Or to put it another way, this approach gets the body ready for hard exercise. In fact, the bodily processes that we would anticipate to make this possible take place. Functions of "rest and digest" are governed by the parasympathetic nervous system.The sympathetic nervous system is activated by the hypothalamus by sending signals to the adrenal glands via the autonomic nerves in response to a distress signal from the amygdala. The epinephrine hormone, sometimes referred to as adrenaline, is released into the bloodstream as a result of this response by these glands.Saliva production is stimulated as part of the PSNS's rest-and-digest function; saliva includes enzymes that aid in the digestion of food. Making tears is referred to as "lacrimation." Your eyes' fragile tissues are protected by tears, which keep them moist.

To Learn more About sympathetic nervous system refer to:

https://brainly.com/question/1970920

#SPJ4

How is cancer related to the study of the cell or tissue?.

Answers

The relationship between the cell cycle and cancer is clear: cancer is a disease of uncontrolled cell proliferation, and the cell cycle apparatus regulates cell proliferation. Fundamentally, all tumours allow for an excessive number of cells to exist.

Cells that divide uncontrolled and invade neighbouring tissues are what cause cancer.Cancer is mostly brought on by DNA changes. The majority of DNA mutations that result in cancer occur in areas of DNA known as genes. These modifications are also referred to as genetic changes.

By utilising weaknesses found in cancer cells and their precancerous lesions, new approaches to prevens.tion, detection, and therapy will be made possible by a more thorough understanding of the biology of cancer cell.

Learn more about DNA from:

https://brainly.com/question/264225

#SPJ4

Which layer of the atmosphere is most strongly affected by conditions on earth's surface?.

Answers

The lowermost layer of the atmosphere (the troposphere) is the most strongly affected by conditions on earth's surface.

How many layers on atmosphere of earth's surface?The atmosphere of the Earth is composed of several distinct layers. Each layer has unique characteristics that help to shield the planet from the effects of outer space. The layers are, from nearest the surface, the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.The troposphere is the closest layer to the Earth's surface. It extends from the surface up to about 7-14 miles high, depending on latitude. This layer holds most of the Earth's weather, clouds, and air pollution.The stratosphere sits above the troposphere, extending from 7 to 30 miles high. This layer features the ozone layer, which absorbs much of the sun's ultraviolet radiation. As a result, the stratosphere is much warmer than the troposphere.The mesosphere starts above the stratosphere at 30 miles high and extends up to 50 miles. Temperatures in this layer can reach a frigid -90 degrees Celsius. This is where meteors burn up before they reach the ground.Above the mesosphere is the thermosphere, which extends from 50 to 370 miles high. This layer is extremely thin and contains a few molecules of gas, which is why it is sometimes called the "exosphere". Temperatures here can reach over 1000 degrees Celsius.Finally, the exosphere is the outermost layer of the Earth's atmosphere. It extends from 370 miles up to 6,200 miles high. This is where satellites orbit and some of the Earth's atmosphere escapes and mixes with space.

To learn more about atmosphere layer refer to:

https://brainly.com/question/921955

#SPJ4

How do Mendel's experiments show that 5 a traits may be dominant or recessive?.

Answers

The monohybrid cross used in Mendel's experiments demonstrates that the Traits may be dominant or recessive.

One of the parental traits from a monohybrid cross between two pure breeding varieties is always present in the hybrid progeny, but the opposite characteristic is never displayed in the F1 generation. According to this theory, two alleles of a gene are frequently either dominant or recessive, and the presence of the dominant allele in F1 hybrids prevents the development of the recessive allele.

In accordance with the results of Mendel's studies, some genetic traits can have opposing phenotypes depending on whether two homozygous genotypes or genotypes with totally dominant or completely recessive alleles are genetically mixed to produce the trait.

For more information on Mendel's experiment kindly visit to

https://brainly.com/question/30097040

#SPJ4

By 1900, the peppered moth populations in areas around English cities were as much as 98% dark moths? Why? Explain what was happening during this time in your own words. PLEASE RESPOND!!

Answers

Answer:

Scientists have discovered the specific mutation that famously turned moths black during the Industrial Revolution. In an iconic evolutionary case study, a black form of the peppered moth rapidly took over in industrial parts of the UK during the 1800s, as soot blackened the tree trunks and walls of its habitat.

The particular mutation that famously turned moths black during the Industrial Revolution has been identified by scientists.

What happened to the peppered moth populations?

As soot darkened the tree trunks and walls of its environment in the 1800s, a black variant of the peppered moth quickly overtook it in industrial areas of the UK, providing a classic evolutionary case study.

Up to 98% of peppered moth populations in areas surrounding English cities were black and 2% were light.

The peppered moth's evolution is an example of how air pollution during the Industrial Revolution caused directional color changes in the moth population.

Therefore, at that time, a manifestation of industrial melanism was the rise in the number of dark-colored moths.

Learn more about the moth, here:

https://brainly.com/question/23497748

#SPJ2

_____ is a signal molecule that binds to an intracellular receptor

Answers

Hormone signal molecules are among the most prevalent kinds of molecules that bind to intracellular receptors.

Small hydrophobic signalling molecules with the ability to permeate across the plasma membrane elicit a response from these intracellular receptors. This class of signalling chemicals, which also comprises hormone insulin, vitamin D3, & retinoic acid, is best represented by the steroid hormones. Intracellular receptors, which include those for steroid hormones, lipid soluble vitamins, and tiny molecules like nitric oxide & hydrogen peroxide, need ligand that are membrane permeable. Macromolecules known as intracellular receptors can be found either as free, soluble parts of the cytoplasm or as parts of different intracellular compartments. These receptors work by being able to identify and bind particular ligands. Three categories of intercellular communication exist: cell-to-cell contact signalling, autocrine, paracrine, and endocrine signalling. This signalling system is employed.

Learn more about Hormone

https://brainly.com/question/13020697

#SPJ4

Each of the following organisms would be considered a microbe exceptmushroomyeastprotozoanbacteriumvirus

Answers

A mushroom is a type of microorganism.Microorganisms include bacteria, fungi, archaea, and protists, among others.

Since prions & viruses are generally regarded as non-living entities, they are not regarded as microorganisms. Viruses, bacteria, archaea, fungus, and protists are the five main types of microorganisms despite their truly remarkable diversity. For instance, yeasts, which are human fungi, are microbes, whereas filamentous fungi, such as mould or mushroom, were multicellular and thus not microorganisms.A mushroom is a type of microorganism.Microorganisms include bacteria, fungi, archaea, and protists, among others. Viruses are the smallest microbes. Some calculations state that the rhinoviruses that cause the common cold—500 million of them—could fit on the top of a pin. Because they can only exist and reproduce within the cells of several other living beings, they are different from other living things.

Learn more about microbe

https://brainly.com/question/14571536

#SPJ4

How do snails get pregnant?.

Answers

Snails reproduce by fertilization. Snails mate and lay eggs, which is how nearly everything else reproduces.

A hermaphrodite is any organism that has both male and female reproductive organs and is able to produce both eggs and spermatozoa. The snails seem to have both male and female characteristics.

Two  enter two vaginal tracts when snails copulate. While both snails in a coupling transmit sperm, the snail with the best dart shot has a better probability of fertilizing eggs in the end. Some species of snails only release one love dart, whereas others, like the garden snail, release two.

The top portion of the right mantle cavity should be checked. Your snail is a male if it has a sheath next to its gills. If the penile sheath is not visible, the animal is a female. Calyptraeid gastropods are a class of immobile, filter-feeding marine snails that undergo sequential hermaphroditic sex changes from male to female throughout the course of their existence (protandry).

To know about snails

https://brainly.com/question/2961767

#SPJ4

chromosomes line up along the equator not in homologous pairs

Answers

The paired chromosomes line up along the equator (middle) of the cell. This occurs only in metaphase I. In metaphase of mitosis and meiosis II, it is sister chromatids that line up along the equator of the cell

What is homologous chromosomes ?

The two chromosomes that make up a pair are typically inherited from the mother and the father. As an illustration, a cell's two copies of chromosome 1 are referred to as homologous chromosomes.

The chromosomal pairs line up along the cell's equator, known as the metaphase plate, with the help of these microtubules.

The pairing of each maternal chromosome with its corresponding paternal chromosome occurs during meiosis. A typical female has 23 homologous chromosomes, compared to a typical male's 22. The reason for this is that men' X and Y chromosomes are not identical.

Learn more about Homologous chromosomes here:

https://brainly.com/question/14807934

#SPJ4

Why is mitosis important for humans?.

Answers

Answer:

Role of mitosis:

• They aid in high cell number, often known as growth.

• They aid in healing damaged cells or regeneration of cells in cuts or wounds.

• Mitosis ensures genetic stability in freshly created cells.

Explanation:

Mitosis is the mechanism by which the daughter cells that are genetically identical to the parent cells are produced. The cell clones - or replicates - its chromosomes, then evenly divides the replicated chromosomes to ensure that each daughter cell has a complete set.

Your body has trillions of cells (thousands of millions). However, you began life as a single cell - a fertilized egg cell. This cell is then divided and divided again to produce other cells in a process known as mitosis.

Mitosis is a process that produces additional cells that are genetically identical to the original cell. It is essential for the development of embryos, as well as for the growth and development of human bodies. Mitosis is the process through which new cells are formed and old, destroyed, or damaged cells are replaced.

A cell splits into two identical daughter cells during mitosis. Because the daughter cells must have a copy of every chromosome, the process commences by duplicating the chromosomes and then meticulously segregating the copies to provide each new cell with a complete set.

Learn more:

https://brainly.com/question/23750975#:~:text=Mitosis%20is%20a%20sort%20of,cells%20are%20created%20during%20mitosis.

the central nervous system consist of the brain and spinal cord. at which level of organization is the brain an example of?

Answers

Organs of the central nervous system include the brain and spinal cord. The brain and spinal cord, which are housed in the dorsal body cavity, are so crucial that they are protected by a bone shell due to their importance.

The spinal cord is located in the vertebral column's vertebral canal, and the brain is located in the cranial vault. The spinal cord and brain are connected at the foramen magnum, despite being thought of as two different organs.

Both nerves and ganglia are considered to be peripheral nervous system organs. Like muscles, which are made up of bundles of muscle fibers, so are nerves. The CNS transmits signals to peripheral organs including muscles and glands via spinal and cranial nerves.

know more about spinal cord here

https://brainly.com/question/23916836#

#SPJ4

Research the etymology of the word okay or ok. Is ok a distinctly american term? what is the story of its origin?.

Answers

The origin of the word 'ok' or 'okay' is uncertain, but it is believed to have originated in the mid-19th century United States as a variant of the word 'all correct'. It is uncertain whether the word is of American origin or whether it was brought to the US by immigrants.

What is mean by etymology? Etymology is the study of the origin of words and how their meanings have changed over time. It is a branch of linguistics that focuses on the history of words and their development from earlier forms. Etymology looks at the way words have evolved from their earliest recorded forms to their current state, tracking changes in form, meaning, and usage. For example, the English word “cat” can be traced back to the Old English word “catt”, which in turn is derived from the Latin word “catus”. By tracing the development of words over time, etymologists can gain a better understanding of how languages have developed and evolved. Additionally, etymological research can help to shed light on the history of cultural practices and beliefs. Etymology can also provide insight into the way that words have come to have their current meanings, as well as their changing connotations over time.

To learn more about etymology refer to:

https://brainly.com/question/14913

#SPJ4

Briefly explain how the diagram to the right makes a good
model to represent the decay of a radioactive element.
You are encouraged to label the diagram.
You must use complete sentences.

Answers

An element's radioactive decay graph can be categorized as an exponential graph, more particularly, the decay of an element through exponential processes. As x increases exponentially in these graphs, y declines and gets closer to zero.

What is Radioactive Decay (Half Life) Equation?The centre of each atom, or nucleus, which accounts for the majority of an element's mass, is made up of a specific number of protons and neutrons. Even though every element has a unique nucleus, they are not always stable. Radiation is the name for the rays and particles that are emitted by unstable elements in an effort to stabilize their nucleus. As long as the element doesn't have a stable nucleus, this process, known as radioactive decay, continues on its own. Different substances breakdown at different speeds when they go through radioactive decay. Through the use of half lifetimes, these rates are measured. The duration of time before half of the nucleus disintegrates is known as a half-life, as its name would imply.How much of an element remains after a specific amount of time can be calculated using the following equation using half-lives:

N\s= N ( 1 /2 ) n

Where N denotes the quantity of the element still present, N 0 is the quantity of the element at the beginning, and n denotes the number of half lives that have passed. By dividing the amount of time that has elapsed (t) by the duration of the half-life (T), one can determine the number of half-lives that have passed, even if this is unknown:

n = t / T.

To Learn more About radioactive decay Refer To:

https://brainly.com/question/9932896

#SPJ1

Which is the role of the electron transport chain in the process of photosynthesis?.

Answers

Electron transport contributes to the creation of a proton gradient that drives the synthesis of ATP and stores energy in the reduced form of the coenzyme NADPH.

Light energy is transformed into chemical energy during photosynthesis, a metabolic process that creates carbohydrates. In the light-dependent processes, ATP, NADPH, and oxygen are produced using light energy and water (O2). An electron transport chain is employed to create the proton gradient that creates ATP. Thus, the Calvin cycle enzymes in the chloroplast stroma use both ATP and NADPH, which are produced by the flow of electrons through photosystems I and II, to convert CO2 to carbohydrates. The primary goal of the electron transport chain is to accumulate enough extra hydrogen ions (protons) in the intermembrane space to create a gradient in their concentration in comparison to the matrix of the mitochondria.

To learn more about photosynthesis click here https://brainly.com/question/29764662

#SPJ4

Other Questions
Given f(x) = 3x^3+kx-13, and x-1 is a factor of f(x), then what is the value of k? in which of the following should an individual have some background to be successful in the sport management field? missing. step 1: input a positive integer from the user and store it in the variable number. step 2: divide number by 10 and record the integer quotient and the remainder. the integer quotient is the quotient with any part after the decimal point dropped. for example, when 127 is divided by 10, the quotient is 12.7, the integer quotient is 12 and the remainder is 7. step 3: (missing step) step 4: repeat steps 2 and 3 until number is 0. which of the following can be used as step 3 so that the algorithm works as intended? responses step 3: display the remainder of number divided by 10 and store the remainder in number. step 3: display the remainder of number divided by 10 and store the remainder in number . step 3: display the remainder of number divided by 10 and store the integer quotient in number. step 3: display the remainder of number divided by 10 and store the integer quotient in number . step 3: display the integer quotient of number divided by 10 and store the remainder in real gdp is the value of all goods and services produced in a given year in prices. what is a physical description of mr. woodbridge in the story the palace theif k2 is 11,194.21 feet higher than mt. kenya. enter and solve an equation to find the elevation of mt. kenya. use x to represent the elevation of mt. kenya. The puffer fish is one of the most unique looking sea animals in existence. These fish are also sometimes called blowfish. They can most often be found in ocean waters.The puffer fish is very helpless against predators. For protection, it can increase the size of its elastic stomach. It can also release a chemical called tetrodotoxin, which causes the puffer fish to taste bad to the predators. This sea creature's defense mechanism is crazy tight.Which part of this passage contains inappropriate language for a school report? A. "This sea creature's defense mechanism is crazy tight." B. "These fish are also sometimes called blowfish." C. "The puffer fish is very helpless against predators." D. "For protection, it can increase the size of its elastic stomach." woofshirt sews its own products, but must first buy the raw materials. woofshirt purchases fabric from a large textile reseller. the chos have several questions about the relationship between small and large businesses. which of the following are accurate statements for you to make? check all that apply. both the fabric manufacturer and woofshirt benefit from transactions between the two companies. the distributor is doing woofshirt a favor by selling fabric to a small business. as an entrepreneurial venture, woofshirt will always compete with, and never collaborate with, bigger businesses. buying fabric from the distributor is an example of how small businesses can be important to larger businesses. tho prepare 3.0l of a 0.2m k3po4 solution a student should follow which of the following procedures Who proposed the social contract theory Mcq?. Anna is very picky about the temperature in her home and wants full control of air flow and heat/cooling. She should install a system that includes A. floating control.B. an automated mixing chamber. C. two-position control. D. a low differential. If a child knows that he can never ---- a bad behavior, then he is less likely to do it. how long does it take for a fractured ankle to heal in lines 84-120 in a midsummer nights dream, what has happened to nature as a result of the quarrel between obern and titania? what caused montgomery, alabama, to desegregate its buses? A nail is measured with a ruler and its length is reports as 5.46 cm. Select ALL the statements that are correct about the certainty and uncertainty represented in this recorded measurement. 1. The uncertainty can be expressed by reporting the measurement as 5.46 +_ 0.1 cm 2. The uncertainty is in the final digit of the measurement 3. All three digits shown in the measurement are known with certainty 4. The uncertainty can be expressed by reporting the measurement as 5.46 +_ 0.01 cm So I kinda need some more help that would be appreciated to solve the equation below you need to divide by what number 2X = 8 in the following amplifier circuit, the input signal is v. this is a 1khz sinusoidal signal with a peak amplitude of 1.5 v. which one of the options could be the output signal, v o (t)? assume an ideal op-amp. dc power supplies are used to power up the op-amp. Laura is riding her bike at a speed of 15 m/s when she spots a dog in his path. If she needs to come to a full stop in 3 seconds what must her deceleration be?