Although neurons have much in common with other cell types, they are structurally and functionally unique. Specialized projections called axons allow neurons to transmit electrical and chemical signals to other cells. Neurons can also receive these signals through root-like extensions known as dendrites.
What is the function of nerve cells?Neurons are cells responsible for transmitting nerve impulses. Cellular devices are citable cells, that is, they can respond to a membrane stimulus that is different from the electrical potential difference in the cell.
Whit this information we can conclude that Nerve cells, which are also called neurons, are one of the main components of this system. Neurons are a type of cell whose specialty is to receive and conduct impulses to other cells. In addition to neurons, glial cells also make up nervous tissue.
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4. Which of these determines what types of organisms live in water? E. water temperature F. oxygen levels of the water G. sunlight and nutrients H. water temperature, oxygen levels, sunlight, and nutrients
Answer:
H all of the determinants are essential to whether or not organisms can survive.
For a fictional neuron, the nernst potential of the mg2 ion is 30 mv. Given this information, where is the ion more highly concentrated?
If the fictional neuron has a resting membrane potential of -70mV then Mg2+ concentration should be higher outside the cell so that it can contribute positive charge outside the cell. Therefore the correct option is (2) Mg2+ is at a higher concentration outside the cell.
The resting membrane potential (RMP) of the hypothetical neuron must be taken into consideration in order to establish whether the concentration of magnesium is higher within or outside the cell.
Since RMP is always negative, this conclusion follows. The electric potential of the cell, or resting membrane potential, is brought on by ions entering and exiting the cell.
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Question correction:
For a fictional neuron, the Nernst potential of the Mg2+ ion is +30 mV. Given this information, where is the ion more highly concentrated?
Mg2+ is at a higher concentration inside the cellMg2+ is at a higher concentration outside the cellThere is not enough information to determine the answerWhat is genetic dominance?
A trait that, if present, is always expressed
A trait that requires a homozygous allele
A trait that requires a heterozygous allele
Controlled genetic information
A simulation is run exploring the random motion of particles and its role in diffusion. At the start of the program, there are 20 blue spheres on one side of the membrane and 10 red spheres on the other side. After a period of time, the distribution of spheres reaches an equal number independent of each other, so that there are 10 blue spheres and 5 red spheres on either side of the membrane. What evidence suggests that diffusion results in a dynamic equilibrium across the membrane?.
According to the facts, diffusion produces a dynamic equilibrium across the membrane, where the red and blue spheres continue to move in opposite directions.
Diffusion produces a gradient in which molecules and atoms move from one concentration to another. Essentially, it is a procedure designed to preserve equilibrium. The process continues to ensure that there is equal concentration everywhere.
For further explanation, see the image below that has been attached:
The blue spheres are more prevalent on the left side of the first diagram, while the red spheres are more prevalent on the right side.
20 blue spheres are on the left and right sides of the diagram in the question, and 10 red spheres are on the right side. Because the colored spheres are not distributed equally on the two sides of the membrane, some blue spheres will move from the left side (where there is a higher concentration) to the night side (lower concentration).
Additionally, a few red spheres will move from the left side's lower concentration to the night side's higher concentration in order to achieve an equal distribution of red and blue spheres on both sides.
Seek out the second diagram in the question where arrows indicate a change in concentration from higher to lower.
On the left, there are a total of 20 blue spheres. Therefore, 10 blue spheres from the left side of the spheres will move to the night side to achieve equal distribution.
On the right side, there are a total of 10 red spheres. Therefore, five red spheres on the right side of the board will move to the left, distributing the spheres equally.
The second image in the question provides an illustration of the aforementioned distribution.
Look for the arrows that depict the spheres moving.
The atoms and molecules are now free to move, which means they might once more result in a loss of equal concentration. In order to maintain an equal number of red and blue spheres on both sides, the red and blue spheres will therefore move continuously.
On the third diagram, look for the arrows. It demonstrates that both the right and left sides of the blue molecules or atoms are moving. Red spheres are also moving to maintain equal concentration, Similarly, this leads us to the conclusion that even when the red and blue spheres are in equilibrium, they are still moving to the ether side. Thus, despite being in equilibrium, the red and blue spheres continue to move in opposite directions.
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What does the theory of evolution tell us about living things?
The environment can make them rapidly change over a short period of time.
They create fossils when they die.
Their environment makes them slowly change over time.
They can give us clues about extinct species.
Answer:
the enviorment changes overtime
Explanation:
Detailed comparison of the human and chimpanzee genomes has revealed that __________
Detailed comparison of the human and chimpanzee genomes has revealed that they have very similar proteins.
The human and chimpanzee genomes encode proteins that are remarkably similar to one another. Nearly 99 percent of the DNA sequence that can be directly compared between the two genomes is the same. Humans and chimps still have 96 percent sequence identity after accounting for DNA insertions and deletions. In chimpanzees and humans, 29% of the genes that code for amino acids are the same at the protein level. In actuality, since chimpanzees and humans split off from a common ancestor roughly 6 million years ago, the average human protein has only undergone one distinctive modification.In comparison to other mammals, a few types of genes are evolving in humans and chimpanzees at an extraordinarily fast rate. These kinds of genes include those that are involved in nerve signal transmission and sound perception.Therefore, human and chimpanzee genomes has similar proteins.
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Write a letter to inform a potential astronaut, or the family members of an astronaut, about what to expect during a year long mission to space. In your letter explain to them how their body (or their family member's body) will react to being in zero-gravity. Compare the normal functions of the immune system and the lungs and the respiratory system with how they would be altered during space travel, describing what they should expect so that they can prepare for their yearlong mission.
Answer:
Explanation:
Space travellers go through a range of often unpleasant feelings: they feel dizzy, sleepy and weak, suffer from loss of appetite and stomach upsets and lose their sense of time and space. Fortunately, after few days, their bodies adapt to weightlessness and astronauts start to feel both calm and euphoric...
i need help with all of the blank questions please answer wtv u know
Contain proteins that carry out oxidative metabolism, a process whereby energy is extracted from macromolecules and converted to atp.
A bacterium that lives in the human intestine derives its nutrition by digesting the contents of the intestine. Which mode of nutrition best describes this bacterium?.
Answer:
Heterotrophic
Explanation:
As they consuming the food inside our intestines, they are showing heterotrophic mode of nutrition which is the most common mode of nutrition found in kingdom monera.
Look at the glycerol molecule. Its chemical formula is...
A. C6H12O6
B. C12H22011
C. C3H8O6
D. C3H8O3
The correct chemical formula for Glycerol is option D. [tex]C_{3} H_{8} O_{3}[/tex]
A naturally occurring alcohol is glycerol. It is an odorless liquid that is employed as a medication, solvent, and sweetener.Glycerol pulls water into the intestines when it is present, softening stools and easing constipation. Glycerol draws water so that it stays in the body for a longer period of time when it is present in the blood. An athlete may be able to exercise longer as a result.In numerous personal care products like toothpaste, mouthwashes, shaving cream, and soaps, glycerol is utilized as an emollient, humectant, solvent, and lubricant. AAdditionally, the pharmaceutical industry uses glycerol because of its hygroscopic qualities to stop lotions and ointments from drying out.So, the correct chemical formula for Glycerol is option D. [tex]C_{3} H_{8} O_{3}[/tex]
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Cannabis concentrates contain significantly more thc than the cannabis plant. Cannabis concentrates commonly have _____ % thc and can contain up to 90% thc.
Cannabis concentrates contain significantly more THC than the cannabis plant. Cannabis concentrates commonly have 40-80% THC and can contain up to 90% THC.
Cannabis- The sativa or indica cannabis plant's dried leaves and blooming tops. Cannabis includes cannabinoids, which are active compounds that have drug-like effects on the immune system, central nervous system, and other bodily systems.
The most popular reason for using cannabis for medicinal purposes is by far the relief of chronic pain.
THC- The primary psychoactive ingredient of cannabis is tetrahydrocannabinol (THC), one of the 483 known plant chemicals. This contains at least 65 additional cannabinoids, such as cannabidiol (CBD). Cannabis can be taken orally, vapourizingly, ingested, or utilized as an extract.
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scientists might make more inferences when drawing __.
Answer:
conclusions
Explanation:
Scientists might make more inferences when drawing conclusions. Their inferences are based on evidence that they collect during their investigations. Readers learn that scientists gather and interpret evidence and draw conclusions based on this evidence. Some scientists investigate things that they cannot observe directly.
Scientists might make more inferences when drawing conclusion.
What is conclusion?The conclusion can be described as the term that is used to make the reader understand the purpose as well as the reason for the research that is been carried out in the process.
It should be noted that A conclusion can not only be seen as the summary of the work but the term that gives the point that are salient in the work so that anyone that read the work can simply understand what the whole work is all about, however it do provide the research problem but a synthesis of key points.
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The foot of a ladder should be ________ from the base of the structure from which it is leaning.
The foot of a ladder should be 1/4 working length from the base of the structure from which it is leaning.
What are extension ladders?Extension ladders are two-section ladders that use brackets or guides to allow the ladder to be used at various adjustable lengths.Extension ladders are not self-supporting and must be secured to a stable structure.Make sure the ladders are on a firm surface, that the surface is level, and that the footing is secure.Before climbing, make sure the locking ladder hooks are secure. Aluminum is the lightest and least corrosive option. Aluminum ladders are not recommended for electrical work or use near power lines because they are among the most effective conductors of electricity. Fiberglass ladders are heavier than aluminum ladders, but they are stronger and more versatile.To know more about ladders:
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The e. coli chromosome contains 4,641,652 bp. how many turns of the double helix must be unwound during replication of the e. coli chromosome? number of turns:
The complementary strands of the genome must unwind completely during DNA replication to allow the creation of a new strand on each template.
The number of helical turns equals the number of base pairs divided by the of base pairs per helical turn. As a result, 4.64 x 106/10 = 4.64 x 105 turns must be unraveled.E. coli has a single circular chromosome that is 4.6 megabases long and contains a single replication origin (oriC).E. coli has a single circular 4.6-Mbp chromosome on which replication begins once per creation from a single replication origin and progresses bidirectionally, aborting in a specific replication termination region.E. coli only have one circular chromosome, which is accompanied by a circular plasmid. Lab researchers have completely sequenced its chromosomal DNA.Learn more about DNA here:
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How many copies of the dna sequence that uases albinism will be present in tawa's cells?
2 copies of the DNA sequence that uses albinism will be present in tawa's cells.
Albinism disease is having 2 copies of the DNA sequence which is present in tawa's cells and is actually caused by impaired production of the polymeric pigment melanin. Melanin production is tightly regulated in the body and occurs in specialized ectodermal-derived cells called melanocytes.
Melanocytes may be cutaneous (hair, skin) or extracutaneous (eye, cochlea), each deriving from a distinct ectodermal lineage. The clinical nomenclature for albinism is complicated by the fact that the terms albinism, ocular albinism, and oculocutaneous albinism can be used both as a phenotypic description and as references to specific syndromes. Missing heritability is likely larger among patients with partial albinism than among those with complete albinism.
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Lack of exercise is a determinant for many chronic disease, such as cardiovascuolar disease. what is one direct contributing factor to lack of exercise?
Lack of exercise causes a variety of health issues, from weight gain that initially seems harmless to cardiovascular disorders and a significantly increased risk of having a stroke.
Fat accumulation in arteries and blood vessels that obstruct the flow of blood to the heart is the primary cause of cardiac disorders.
Exercise increases the function of the same arteries after a high-fat meal compared to before, and it also reverses the arterial dysfunction brought on by fatty foods.When the human body runs out of energy during exercise, it turns to stored saturated fat in our bodies to provide additional energy. This demonstrates that regular exercise is preferable to inactivity for lowering saturated fats, type 2 diabetes risk, and chronic heart disease risk.
Perhaps obesity, which prevents a person from engaging in many physical activities, is the one element contributing to a lack of exercise.
Thus, we can infer that fat accumulation occurs from inactivity, which can cause cardiac ailments as well as chronic illnesses. Since it is difficult for obese people to participate in any physical activity, obesity is a significant contributing factor to the lack of exercise among people.
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The difference in dosage of genes on the x chromosome between the two sexes in humans is resolved by ____________ expression of the x-linked genes in ____________.
The traits or expression of the x-linked genes in the X chromosome helps to explain the difference in the dosage of genes on the X chromosome between the two sexes in humans.
What is a chromosome?A chromosome is a long DNA molecule that contains all or a part of an organism's congenital principle. Histones, which serve as packing proteins for the majority of eukaryotic chromosomes, work with chaperone proteins to attach to and condense the DNA molecule in order to preserve the integrity of the molecule. A component that can be found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome.Extended pieces of DNA are carried by chromosomes, which are organelles that can be found in the nucleus of cells. The meaning that houses genes is called DNA. It serves as the foundation for the human body. Also, proteins located in chromosomes aid in the proper structure of DNA.To learn more about chromosome, refer to:
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Why doesn’t science "prove” things? What term should be used instead, and why? Read the article to help you answer this question
Answer: Sometimes people think that the result of one of these tests is proof that an idea is correct. However, scientists don’t “prove” things. Science can only provide evidence for or against an idea. The evidence is gathered from investigations and research.
Explanation: EDGE 2023
whats the likelilhood of a category 5 hurricane making landfall in Maryland?
Answer: The chances of that happening are so low because most natural disasters occur on the west coast or southeast by Florida
The polar nature of water and the hydrogen bonds it can form contribute to what properties of water? Choose all that apply.
The ability to moderate temperature
High surface tension
Cohesion and adhesion
Expanding when frozen
Excellent solvent
The polar nature of water and the hydrogen bonds it can form contribute to Cohesion and adhesion properties of water.
What is polar nature?Polar compounds can be described as the chemical compounds which do contains the polar covalent bonds as the bond that is found between the molecule and this is what is found in the water.
It should be noted that the polar compound serves as the chemical species that the bond in them is the covalent bonds in the case above , polar nature of water and the hydrogen bonds it can form contribute to Cohesion and adhesion properties of water.
Therefore, option C is correct.
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During bronchoconstriction, the smooth muscle that lines the bronchial passages contracts, resulting in a decrease of the internal diameter of the airway and an increase of:________
During bronchoconstriction, the smooth muscle that lines the bronchial passages contracts, resulting in a decrease of the internal diameter of the airway and an increase of____resistance to airflow ____
What is bronchoconstriction ?When the smooth muscle around the bronchi and bronchioles constricts, wheezing and shortness of breath result.
When the muscles lining the airways become tense, the process of bronchoconstriction begins. Your airway narrows as a result of the bronchi and bronchioles being squeezed. Numerous airway stimuli can constrict the airway in sensitive patients.Bronchodilators are typically the first step in bronchospasm treatment. There are several ways to get this drug, including pills, nebulizer solutions, and inhalers. In more serious situations, your doctor could advise taking steroids to lessen airway inflammation.Learn more about Bronchi here:
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An amino acid is of of central carbon atom with 4 components attached to it. Which component makes each amino acid unique?
Single hydrogen atom
Amino Group
R Group
Carboxyl Group
True/false, if false explain why the conducting cells of phloem are thin-walled, metabolically active sclerenchyma cells.
Phloem transports the food which formed in leaves during photosynthesis .
Describe the structure of phloem.The many components of phloem include companion cells , seive tubes , phloem parenchyma and phloem fibres . Sugar and nutrients are moved up and down the plant's seive cells using sieve tubes. Companion cells manage the seive tube's Operation. Phloem parenchyma gives the plant its mechanical sturdiness.
The phloem sclerenchyma is comprised of sclerenchyma cells that are rather associate with providing mechanical support than conducting materials. It includes the phloem fibres and the sclereids.
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Receptor cells in the skin that are sensitive to different tactile qualities--some to shape, someone to grooves, some to vibrations and movements--are called?
Receptor cells in the skin that are sensitive to different tactile qualities--some to shape, someone to grooves, some to vibrations and movements--are called Mechanoreceptors.
Mechanoreceptors play a role in hearing, balance detection, skin tactile perception, deep tissue perception, and artery pressure perception. Meissner's corpuscles, Pacinian corpuscles, Merkel's disks, and Ruffini's corpuscles are the four main types of encapsulated mechanoreceptors that are specialized to transmit information to the central nervous system regarding touch, pressure, vibration, and cutaneous tension. One type of neural receptor in a somatosensory system is the mechanoreceptor. They play a major role in the recognition of various mechanical stimuli. The skin's touch receptor serves as an illustration. Among creatures with specialized structures for mechanoreception, insects are a well-known example.
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If you wanted to design a new industrial catalyst based on something biological, which molecule would you use?
Proteins would be choice to design a new industrial catalyst based on something biological.
What are Proteins?Proteins are naturally occurring substances composed of amino acid residues linked together by peptide bonds.There are approximately 20 different amino acids found naturally in proteins. Protein makes up nearly all enzymes that catalyse various bodily reactions. Plants can synthesise all amino acids, whereas animals cannot. Plants provide them to animals.Protein-rich foods include meat, fish, poultry, eggs, legumes, and soy products such as tofu or tempeh. You can also choose from this list of delicious high-protein foods to ensure that you meet your requirements at each meal. Animal-based foods (meat, poultry, fish, eggs, and dairy products) are generally high in complete protein, whereas plant-based foods frequently lack one or more essential amino acids.To learn more about proteins:
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If you ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the _________ in the peanut butter because it _________.
A. carbohydrate; contains a low ratio of oxygen atoms.
B. protein; contains nitrogen in place of oxygen atoms.
C. fat; contains a low ratio of oxygen atoms.
D. sugar; contains high ratio of oxygen atoms.
If you ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the fat in the peanut butter because it contains a low ratio of oxygen atoms.
The energy was used to describe the strength needed by the body for daily tasks, both physical and mental.
Due to the low proportion of oxygen atoms in its composition, fat is classified as a food and gives cells the energy they require. In light of this, fat was determined to be the best option.
Fat is typically defined as any ester of fatty acids or a combination of such compounds, most frequently those that occur in living things or in food, in the fields of nutrition, biology, and chemistry.
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Atoms were thought to be indivisible (not able to be broken down). We now
know that they are made of smaller particles. Should we still think of them as
the building blocks of matter? Why or why not? How can we change the definition of atoms in this case?
After the discovery of subatomic particles, the indivisible portion of the theory was abandoned because theories must be supported by a large body of facts. There were several postulates in Dalton's theory of the atom that encapsulated his conception of the atom and the atomic universe.
What should we think of atom asthe building blocks of matter ?The fundamental building components of everyday matter are called atoms. Most of the things you see around you are made of molecules, which are created when two or more atoms come together. Protons, electrons, and neutrons are the three types of particles that make up an atom.
What is Atom ?Proton count is a defining characteristic of an element. While altering the number of electrons or protons will change the isotope of an element and produce an ion, doing so will alter the nature of the element itself.Learn more about Atom here:
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Efforts to discover whether the intelligence of children is more heavily influenced by their biology or by their home environments are most directly relevant to the debate regarding.
Efforts to discover whether the intelligence of children is more heavily influenced by their biology or by their home environments are most directly relevant to the debate regarding nature vs. nurture.
Scientists from all over the world have been debating and analyzing the genesis of human intelligence for a very long time. Intuition is something that many people, whether or not they are scientists, feel is something that is born within the individual as a consequence of a genetic aspect. On the other hand, some people think that intelligence is the result of the environment and the way we were created. Others contend that the combination of genetics and environment is the source of intelligence. Regardless of the viewpoint, you subscribe to about the origins of intelligence, we can state that the discussion started to determine whether a child's intelligence is most heavily influenced by their biology or their family settings is most directly relevant to the nature vs. nurture debate.
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How much, in centimeters, would the average human fingernail grow in one year? you may use a calculator. 4.164 416.4 41.64 0.347
As a broad rule, human fingernails grow between 0.5 inches (1 cm) and 4 inches (10 cm) per year, and several items can affect this growth rate.
Where do fingernails originate?Under the cuticle, at the nail root, nails are formed. The old nail cells are pushed out as the fresh nail cells at the nail's root grow. In order to flatten and harden, these aged cells produce keratin, a protein. After that, the freshly produced nail moves along the nail bed, the smooth area under your nails. Human fingernails typically develop at a pace of about 0. Toenails typically grow at a rate of 1.6 mm (0.063 in) each month, which is about half as fast as fingernails at 3.5 mm (0.14 in) per month. Toenails take twelve to eighteen months to fully regrow, whereas fingernails take three to six months.To learn more about human fingernail grow, refer to:
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