To write a report on the origin of life first identify the different theories and then use reliable sources to explain these theories.
What are the theories of the origin of life?Life emerged as a result of chemical reactions that created complex structures.Life first emerged in clay that contained different chemical elements and simple substances.Organic compounds essential to life existed on ice that later melted.Life began in space.How to write a report?Look for credible articles, research reports, etc. that support and explain each of the theories.Using the information from the sources and your own words explain each of the theories, the evidence that proves it, and its flaws.Learn more about the report in:
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Which of the following molecules Carrie’s genetic information that determines the physical characteristics that organisms inherit?
DNA, the inheritable Material DNA, deoxyribonucleic acid, is the inheritable material in your cells.
It was passed on to you from your parents and determines your characteristics. The discovery that DNA is the inheritable material was another important corner in molecular biology.For a patch to act as the inheritable material, it should have the following characteristics Be able of replication i.e. produce its own replica.It should be stable, structurally and chemically.It must have the compass for slow changes( mutations) to evolve. Be expressed in the form of ‘ Mendelian Characters ’.
Although DNA is the inheritable material in utmost organisms, in some contagions, RNA is the inheritable material. In fact, according to studies, RNA was the first inheritable material. But, since RNA is unstable, DNA evolved from RNA with chemical variations, making it more stable and more fit to carry inheritable information.
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1. When mRNA moves out of the nucleus into the cytoplasm it attachs to another RNA
called rRNA, a protein assembly site referred to
mRNA moves out of the nucleus into the cytoplasm and attaches to another RNA called rRNA, a protein assembly site referred to as the ribosome.
What is Ribosome?This is referred to an organelle which is responsible for protein synthesis in cells.
The mRNA is used as a template for the rRNA to attach at this point to aid in protein translation and production. rRNA ensures that the appropriate amino acids are added and also form part of the ribosome which are involved in catalysis of the reaction.
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1.write the chemical equation for transpiration
2.what is translocation ??,give the chemical equation for translocation
plss help will mark brainlest..
Answer:
1
Explanation:
Write a balanced chemical equation for the reaction of sodium hydroxide solution With solid oxalic acid dihydrate. 2. Calculate the volume of 6M NaOH solution needed to prepare 0.5 L of 0.1M solution by dilution. 3. Calculate the molar mass of oxalic acid dihydrate (H2C2O4.2H2O). 4. Calculate the mass of oxalic acid dihydrate that would neutralize 30. mL of 0.10 M NaOH solution. 5. Name the primary standard used to standardize your base solution.
Which is required for both anaerobic respiration and aerobic respiration?
O oxygen
O water
• mitochondria
glucose
Answer:
glucose
Explanation:
glucose is the starting material or precursor for both aerobic and anaerobic respiration. Only the products and pathways are different.
Answer:
glucose
Explanation:
took the test
1. Which of the following is true about eating?
Calcium is not very important.
It is not important to eat before you exercise.
Carbohydrates are not good for you.
It's important to eat the right kinds of food before you exercise.
Answer:
It's important to eat the right kinds of food before you exercise.
Explanation:
Since:
-Carbs help fuel your brain, kidneys, heart muscles, and central nervous system.
-Eating or drinking before exercise can improve workout performance and may allow you to work out for a longer time or at a higher intensity. If you don't eat, you might feel sluggish or lightheaded when you exercise.
-Calcium is a mineral most often associated with healthy bones and teeth, although it also plays an important role in blood clotting, helping muscles to contract, and regulating normal heart rhythms and nerve functions.
all the other options are false
therefore your answer is D
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PLEASE HELP. A stovetop burner on medium reaches 95°C. Which will also receive a flow of heat directly from the burner?
A. the surrounding air
B. a burner at the same temperature
C. a pan heated to 100°C
D. hotter water inside a pan
Answer:
Option C, a pan heated to 100°C
Explanation:
The pan on the burner will be in direct contact of the heat released by burner and hence the pan will receive the direct flow of heat from the burner.
However, the water is the pan will be heated by the heat transferred from the pan to the water in it. Water will not receive heat directly from the burner.
Hence, option C is correct
why do the potato strip in pure water get bigger?
Answer:
The incoming water in the potato cells pushes on the cell walls and makes the cells bigger , that's how the strips of potato in pure water becomes bigger .
Control group is important for scientific study ? and why ?
_____provides a visual tool to show any health related traits that were passed down through generations
The visual tool that is used to show any health related traits that were passed down through generations is; Pedigree Chart
What is a pedigree chart?There are different means to try to medically check some historical genetics from one generation to another.
However, in this case of a visual tool, the only one we can use is called a pedigree chart. This is because a pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation.
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Which correctly describes crossing over?
the process whereby non-sister chromatids exchange genetic material
the process whereby homologous chromosomes are pulled to opposite poles of the cell
the process whereby sister chromatids are pulled to opposite poles of the cell
the process whereby homologous chromosome pairs align randomly along the metaphase plate
The correct option is A ie the process whereby non-sister chromatids exchange genetic material
Between prophase I and metaphase I, a process known as crossing over occurs in which two homologous non-sister chromatids join up and exchange various pieces of genetic material to create two recombinant chromosome sister chromatids.When genetic material is switched between two chromosomes, this process is known as crossing over.It is in charge of causing genetic variation among members of a species.Only the reproductive cells known as gametes undergo this process.The steps involved in crossing over are as follows:1) Synapsis.
2) Chromosome duplication
3) Crossing over.
4) Terminalizataion.
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Answer: A.) the process whereby non-sister chromatids exchange genetic material
Explanation: trust
How many layers does a muscle fascicle have connective tissues
A muscle fascicle have three layers of connective tissues.
What are connective tissues?Connective tissues are tissues which connects layers of organs or tissues together.
A muscle us a type of tissue.
A muscle fascicle have three layers of connective tissues called:
epimysium, perimysium, and endomysiumTherefore, a muscle fascicle have three layers of connective tissues.
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An organ system is a group of organs that work together to perform _____ functions in a multicellular organism
Answer:
a certain functions
Explanation:
Fossil evidence has been used to understand the movement of continental plates. The figure below shows where fossils of several species have been found. How would the range
modern organisms today compare to these species?
Answer:
The modern organisms would have more muscular bodies
Explanation:
Can you think of a physiologic process that is not under the control of a homeostatic reflex system?.
Hair and nail growth are not homeostatically controlled. There is no miracle in using exuberance to handle these procedures. The disadvantage is that they can produce very long and interrupt normal activities.
Hair and nail growth are not homeostatic ally controlled. The disadvantage is that they can produce very long and interrupt normal activities.
What is homeostasis ?It is a physiological process where body to maintain the internal environment in response to changes in outer external environment.
Internal environment means the interstitial fluids while external environment refers to the environment in which organisms live.
Any fluctuation in homeostasis leads to death or a disease of an organism, called as homeostatic imbalance.
The diseases include diabetes, dehydration, hypoglycemia, hyperglycemia, gout etc.
The controlling factors of homeostasis are stimulus can be any physical, chemical or environmental factors leads to deviation of normal body’s environment
Receptor receives the stimulus and pass to the control center like neuron.
Regulator can control coordinator center receives and processes information from the receptor like Hypothalamus.
Effector can control commands from stimulus like Glands, muscles
Response refers to any reaction response to the stimulus.
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The ________ communicates with the lower bladder to enable excretion of urine from the body.
The urethra is an organ which communicates with the lower bladder in order to enable excretion of urine from the body of a living organism.
What is an excretory system?An excretory system refers to a living system that is saddled with the responsibility of removing waste products from the body of a living organism, so as to prevent damage to the body and help maintain homeostasis.
Based on scientific information, the urethra is an organ which communicates with the lower bladder in order to enable excretion of urine from the body of a living organism.
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which part of the microscope reflects light
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which part of the microscope reflects light?THE ANSWER IS MIRRORSWhy mirrors? bcs mirrors are sometimes used in lieu of a built-in light. If your microscope has a mirror, it is used to reflect light from an external light source up through the bottom of the stage. Nosepiece: This circular structure is where the different objective lenses are screwed in.Have a great day^^correct me if I’m wrong
Regarding the factors of true labor: distortion of the myometrium increases the sensitivity of the skeletal muscle layers. the fetal pituitary releases oxytocin in response to estrogens. placental estrogens decrease the sensitivity of the muscle cells of the myometrium. maternal oxytocin release is inhibited by high estrogen levels.
Regarding the factors of true labor, the the fetal pituitary releases oxytocin in response to estrogens.
What is oxytocin?It should be noted that oxytocin means a hormone that is involved in childbirth. It is associated with trust and empathy.
In this case, regarding the the factors of true labor, the the fetal pituitary releases oxytocin in response to estrogens.
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This cycle is significantly affected by the extraction of fossil fuels. Photosynthesis is a major flux in this cycle. The weathering of rock is a major flux in this cycle. Transpiration is a major flux in this cycle. This cycle's largest reservoir is the atmosphere. This cycle's largest reservoir is ocean water. This cycle is affected by the release of detergents in treated wastewater. Nitrification is a major flux in this
This cycle is significantly affected by the extraction of fossil fuels an this is the carbon cycle.
Which organic cycle is worried in burning of fossil fuels and photosynthesis with the aid of using plants?It is saved in what are referred to as reservoirs, and it actions among those reservoirs thru a number of processes, which includes photosynthesis, burning fossil fuels, and actually liberating breath from the lungs. The motion of carbon from the reservoir to reservoir is referred to as the carbon cycle.
This cycle is significantly affected by the extraction of fossil fuels. Photosynthesis is a major flux in this cycle.Read more about carbon cycle:
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Which function of the cell cycle is especially important to burn victims? growth of existing cells repair of existing cells protection of new cells reproduction of new cells
Reproduction of new cells are the function of the cell cycle is especially important to burn victims. Hence option d is correct.
What is reproduction?Reproduction is defined as birthing is the process by which a living thing produces offspring. To reproduce is to reproduce. It is a biological procedure by which an organism creates a physiologically identical progeny. Generation after generation, reproduction makes possible and ensures the survival of species.
The phases of the cell cycle are G1, S, G2, and mitosis. In gap 1, the cell expands in size and copies the DNA during the synthesis phase. The cell goes through preliminary modifications in the gap 2 phase. The real division takes place during the mitotic phase, when the cell multiplies and grows in quantity to replace the burned victim's old and dead cells. It encourages the wounded area's growth and healing.
Thus, reproduction of new cells are the function of the cell cycle is especially important to burn victims. Hence option d is correct.
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What environmental impacts does green roofs and double window glazing have?
Answer:
A green roof can increase building efficiency and help reduce electricity costs.
Explanation:
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Which of these statements is NOT true of the phylogenetic tree?
The statement that is not true of the phylogenetic tree is that it ranks organisms by importance in evolutionary history. option A
Features of the phylogenetic treeA phylogenetic tree is a diagram representing evolutionary relationships among organisms. It is also known as phylogenyPhylogenetic trees are hypothesesIt reflects how species or other groups evolved from a common ancestors.Hence, the statement that is not true of the phylogenetic tree is that it ranks organisms by importance in evolutionary history. option A
The complete question is:
Which of these statements is NOT true of the phylogenetic tree?
A. It ranks organisms by importance in evolutionary history.
B. It depicts an organism's lineage as it changes over time.
C. It shows successive events of speciation in which one species gives rise to two.
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Only animals have prokartyotic cells:
True
False
Answer:
The answer is neither True nor False .Because:
The organisms which are prokaryotes(have prokaryotic cell) are only Kingdom Monera i.e Bacteria and blue green algae and all the remains i.e plants,animals,fungis,protists have eukaryotic cells.
In which situation would new technology be most likely to cause a change in an existing theory about new structures a cell?
The new technology makes it possible to detect and analyze a structure more rapidly.
The new technology allows scientists to confirm the presence of an existing structure in a cell.
The new technology makes it possible to produce additional structures that were not previously there.
The new technology allows detection of a structure that could not be detected previously.
The situation that the new technology be most likely to cause a change in an existing theory about new structures of a cell is the new technology allows detection of a structure that could not be detected previously.
What is a technology?Technology is the application of scientific knowledge for practical purposes. Technology is used in the advancement of the worlds. New technologies help to solve many problems that were impossible before.
Thus, the correct option is D.
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The new technology allows detection of a structure that could not be detected previously. Thus, the correct option is D.
What are the benefits of technology?
Sales will probably improve as a result of technology that makes it simpler for people to buy from you, including an e-commerce solution and numerous payment apps. Marketing departments are forced to adapt the social media platforms that your clients and potential customers use since they are born and die on a monthly basis.
The tasks that HR departments perform for hiring, reviewing applicants, onboarding, and training involve a significant amount of technology. The more HR duties you can complete using technology, the quicker they can be completed and the less likely it is that you will make a mistake that could result in a lost recruit, an employee leaving, or a lawsuit. Employee education on topics like benefit enrollment and corporate policies, for instance, guarantees appropriate paperwork is done and cuts down on training time for new hires.
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Which of these factors causes populations to compete?
A. Continuous migration
B. Low population densities
C. Limited resources
D. High death rates
from about 450 to 300 million years ago, ______ dominated earth's vegetation, and then about 300 million years ago, ______ began to become more prominent.
From about 450 to 300 million years ago, bryophytes dominated the earth's vegetation, and then about 300 million years ago, gymnosperms began to become more prominent.
Evolution of plantsAbout 450 to 300 million years ago, most of the plants as we currently have them are yet to evolve according to evolutionists.
Instead, seedless vascular plants such as bryophytes were around. Many years after, these seedless plants evolved into vascular plants with seeds that are not enclosed in fruits.
Vascular plants with seeds but without fruits are known as gymnosperms. Plants whose seeds are enclosed in fruits, angiosperms, evolved thereafter.
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An example of a wobble base is?
Answer:
The four main wobble base pairs which are:
guanine–uracil (G–U),hypoxanthine–uracil (I–U), hypoxanthine–adenine (I–A), hypoxanthine–cytosine (I–C).Choose any one of them.
Identify the type of chromosomal disorder described below.
Blank is known as trisomy 21 and impacts brain and body development.
Blank predominantly affects males and their fertility.
Blank predominantly affects females and can impact their growth.
Answer:
Down Syndrome
Klinefelter syndrome
Turner syndrome
Explanation:
An immunocompromised host is one who shows a decrease in ______.
An immunocompromised host is one who shows a decrease in the ability to mount an immune defense to infection because the immune system is damaged and it is weak which can not fight infections.
What is immunocompromised host?An immunocompromised host refer to a person whose immune system is weak or damage and does not have tye ability to fight incoming infections.
Therefore, An immunocompromised host is one who shows a decrease in the ability to mount an immune defense to infection because the immune system is damaged and it is weak which can not fight infections.
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The process in which an ovum is discharged from an ovary each month is called __________?.
Answer:
ovulation
need 20 characters
describe 4 differences between a bactrial cell and a plant cell
Answer:
Genetic material, cell wall, photosynthesis, and ribosomes.
Extras: vacuole, flagella
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