Which of the following is true about DNA replication?
Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
DNA replication allows for the formation of hydrogen bonds to copy two old strands of DNA.
DNA polymerase is an enzyme that works to transport DNA from the nucleus to the cytoplasm.
The double helix results from two old strands of DNA fused together to form two new strands.
Answers
Answer:
A. Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
Explanation:
DNA replication involves several different enzymes. Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of the DNA molecule. Then an enzyme called DNA polymerase joins individual nucleotides together to form the new complementary strands of DNA. Lastly, the DNA polymerase "proofreads" each new strand to make sure that each DNA molecule is perfect, or a nearly perfect copy of the original molecule.
Answer:
a
Explanation:
checked by flvs
Related Questions
Which of the following is an accurate statement of the law regarding federal question jurisdiction?
A All federal statutory provisions creating duties are held to create an implied private right of action
B No federal constitutional or statutory provisions creating duties are held to create an implied private right of action
C All federal constitutional provisions creating duties are held to create an implied private right of action
D Not all federal constitutional or statutory provisions creating duties are held to create an implied private right of action
Answers
The accurate statement regarding federal question jurisdiction is D: Not all federal constitutional or statutory provisions creating duties are held to create an implied private right of action.
Federal question jurisdiction refers to the authority of federal courts to hear cases involving issues of federal law. Whether a federal constitutional or statutory provision creates an implied private right of action depends on various factors, including the language and intent of the provision, as well as court interpretations. It is not automatically assumed that all such provisions create an implied private right of action.Courts carefully analyze each provision to determine whether it confers a private right of action or if it should be enforced through other means, such as administrative remedies or enforcement by government agencies.
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IS THE Environment something that it can be harmed, destroyed, saved or preserved?
Answers
varicose veins are typically as twisted, bulging blood vessels visible on the legs. while minor cases may only present a cosmetic inconvenience, they can potentially be dangerous as they progress in severity. why do varicose veins generally appear in the legs? in severe cases, why do they pose a major health risk?
Answers
Because the legs is responsible for the body's standing and walking movements, which increase pressure in the superficial veins, varicose veins mostly affect the legs and feet.
The four superficial veins are what?His dorsal venous network, as well as the cephalic & basilic veins, are also the major superficial veins of upper limb. The ulnar and radial veins, the posterior and anterior interosseous veins, or brachial veins, and the axillary vein are among the major deep veins of a upper limb.
What vein has the smallest diameter?Excellent saphenous vein (GSV) - The longest vein as in body, the GSV is the major superficial vein of a leg. Blood is returned from thigh, calf, & foot to a deep femoral vein so at femoral triangle via this vein, which runs the whole length of lower leg.
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A man with blood type 0 marries a women with blood type AB. What percentage of their children will express blood type B ? A) 0% B) 25% C) 50% D) 75% E) 100%
Answers
Which of these best explains the impact of convection on the atmosphere?
Dense air moves away from Earth's surface. Water heats up the air surrounding it. Land heats up the air surrounding it. Warm air rises upwards
Answers
From the options given, the best statement to explain the impact of convection on the atmosphere is: D. Warm air rises upwards. Convection in the atmosphere directly impacts cloud formation.
What is convection?Convection is the process that includes movement within a liquid or gas driven by differences in temperature and density. Convection on our atmosphere is very crucial in water cycles. Through the convention, energy from the hotter areas will be redistributed to the cooler areas. It affects wind direction and helps aid temperature circulation on Earth.
Convection also affects the weather. As the sun heats Earth’s surface, the air heats up and rises. Once this air cools down in the atmosphere, Cumulus clouds will form and produces rain eventually.
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Mrs. Calabash is completing a unit on ecology with her second grade class. She asks them to illustrate the vocabulary terms which have been used in the unit. Barry draws a herd of zebras. Which term is Barry most likely illustrating
Answers
Answer:
A population
Explanation:
A population refers to a group of organisms of the same specie that living together in a specific area. All the members are specifically of the same specie and possess that same breeding and living habits.
According to the given excerpt, the 'herd of zebras' collectively illustrates a population. A herd of zebras demonstrate a group zebras with the same biological breed and specifications.
How is it that tiny molecules can release energy that makes something happen?
Answers
CAN SOMEONE PLEASE HELP ME
Explain why it is often milder in areas such as coastal Maryland while areas such as Kansas or Iowa have more extremes in temperature? (Take into account the geographical location of Maryland and Kansas)
Answers
Plant cells have a
____while animal cells do not.
Answers
Answer:Cell Walls
Explanation:Photosynthesis takes place in chloroplasts. Cell walls allow plants to have strong, upright structures and vacuoles help regulate how cells handle water and storage of other molecules.
This is the question I need help with.
Answers
Answer:
the answer is all of these
Which is true about breathing while you exercise? A. You should always hold your breathe when you are working hard. B. If you start breathing fast, you should hold your breath to slow it down. C. If you begin to take deep breaths while you exercise, you should stop because it means you are about to pass out. D. The rate and depth of your breathing changes while you exercise to keep a constant level of blood oxygen and carbon dioxide.
Answers
Answer:
D
Explanation:
Answer:
A-NOT A U SHOULD NEVER HOLD YOUR BREATHE WHILE EXECISING.
B- NOT B HOLDING YOUR BREATHE DOESNT FIX FAST BREATHING
C- NOT C JUST BECAUSE YOUR BREATHING HEAVY DOES NOT MEAN YOUR ABOUT TO PASS OUT.
D- YES!!! BECUAE THE RATE YOU OUGHT TO BE GOING DETERMINES YOUR LEVEL OF CARBON.
Explanation:
D! hope this helps:) brainliest is appreciated.
Which of the following cellular processes in bacteria is NOT powered by a proton motive force?
A. efflux of toxic drugs
B. ATP formation by F1Fo ATP synthase
C. substrate-level phosphorylation
D. nutrient uptake
E. flagellar rotation
Answers
The correct option is C, The cellular process in bacteria that is NOT powered by a proton motive force is substrate-level phosphorylation.
Bacteria are single-celled microorganisms that belong to the domain of prokaryotes. They are found in almost every habitat on Earth, including soil, water, air, and even within the human body. Despite their small size, bacteria play a crucial role in various ecological processes.
Bacteria come in different shapes and sizes, such as spheres, rods, and spirals. They lack a true nucleus and membrane-bound organelles, which distinguishes them from eukaryotic cells. Bacteria have a simple cellular structure, with genetic material in the form of circular DNA and a cell wall that provides shape and protection.
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PLEASE HELP WORTH 20 PTSSSS
Thefatmanwastoobigfortheredcarbutthecatwasnot
Questions:
1. Break the string of letters from Procedure 1 into groups of three and write it below.
2. Does it form a coherent sentence?
3. Substitute the letter "h" for the second letter "c." Break the string of letters into groups of three and write the resulting sentence.
4. Does the sentence make sense?
5. How significant was the change?
6. Substitute the letter "f" for the letter "n" and the letter "k" for the letter "b." Break the string of altered letters into groups of three and write the resulting sentence.
7. Does the new sentence make sense?
8. How significant was the change?
9. Remove the first letter from the string of letters. Split this new sequence of letters into three letter groups and write the resulting sentence.
10. Does the resulting sentence make sense?
11. How significant was the change?
12. How does this activity relate to DNA mutations?
Please help me T-T
Answers
Answer:
1. Break the string of letters from Procedure 1 into groups of three and write it below.
The, fat, man, was, too, big, for, the, red, car, but, the, cat, was, not
2. Does it form a coherent sentence?
Yes question one makes a coherent sentence
3. Substitute the letter “h” for the second letter “c.” Break the string of letters into groups of three
and write the resulting sentence.
Tce, fat, man, was, too, big, for, tce, red, car, but, tce, cat, was, not
4. Does the sentence make sense?
No
5. How significant was the change?
You cant read it properly, the change is pretty good
6. Substitute the letter “f” for the letter “n” and the letter “k” for the letter “b.” Break the string of altered letters into groups of three and write the resulting sentence.
The, nan, was, to, kig, nor, the, red, car, kut, the, cat, was, not
7. Does the new sentence make sense?
no
8. How significant was the change?
Enormous
9. Remove the first letter from the string of letters. Split this new sequence of letters into three letter groups and write the resulting sentence.
Hea, tan, aso, oig, orh, eed, aru, the, ata, sot
Explanation: i think these are the answers ( i am doing the work sheet)
Answer:
1. Break the string of letters from Procedure 1 into groups of three and write it below.
The big man was too big for the red car but the cat was not
2. Does it form a coherent sentence?
Yes
3. Substitute the letter “h” for the second letter “c.” Break the string of letters into groups of three and write the resulting sentence.
Tce big man was too big for tce red har but tce hat was not
4. Does the sentence make sense?
No
5. How significant was the change?
The change was fairly significant considering the sentence no longer is grammatically correct
6. Substitute the letter “f” for the letter “n” and the letter “k” for the letter “b.” Break the string of altered letters into groups of three and write the resulting sentence.
The kig maf was too kig nor the red car but the cat was fot
7. Does the new sentence make sense?
No
8. How significant was the change?
More significant than the first change
9. Remove the first letter from the string of letters. Split this new sequence of letters into three letter groups and write the resulting sentence.
hei gan aso oig orh eed aru the ata sot
10. Does the resulting sentence make sense?
No
11. How significant was the change?
The most significant change yet considering the only strand of letters that creates a word is “the” which was just by chance
12. How does this activity relate to DNA mutations?
Because it shows the effect that a single letter mutation could have on the entire strand, let alone multiple letter mutations.
Explanation:
What is the function of the cell membrane in a cell?
A.Protect the cell from its environment
B.Allow nutrients to enter the cell
C.Allow waste to exit the cell
D.All of the above
Answers
Answer:All of the above
Explanation: Reason being is because the cell membrane protects the cell, that's what is really important about it's function. But all of the following is true too.
Consider an individual with red-green colour deficiency.What is the minimum possible number of the child's GRANDPARENTS who were also red-green colour deficient?*note* Please enter numbers only - (0-4)
Answers
As the character is recesive and humans are diploid, the idividual must have both alleles with the information for red-green colour deficiency if she is a woman, or the only allele with that information if he is a man; this is because the gene for colour deficiency is located on the sexual chromosome X.
Therefore, if both grandmothers have the allele for colour deficiency but they have a heterozygous genotype, neither of the grandparets would have colour blindness, even though, they could give their offspring the red-green colour deficiency allele.
To sum up, 0 grandparents can be red-green colour deficient (but at least one must have the corresponding allele) and have a grandson/daughter with red-green colour deficiency.
Can someone help me (dont mind the answer I picked
Answers
The right reason to why the P waves and S waves are not received in the shadow zone is because P waves are refracted and S waves are absorbed in the earth's outer core.
As they move further into the Earth's mantle, P waves and S waves move faster.
Curvilinear pathways are followed as they move through the Earth, but when they cross the barrier between substances in various states, they abruptly shift course.
However, P waves can go through the liquid outer core but S waves cannot. Because of the Earth's changing density, waves are refracted as they pass through it. As a result, the waves follow curved pathways. Refraction causes an abrupt shift in direction of the waves when they cross the boundary between two separate layers.
What are the differences between P waves and S waves?
P waves can pass through solids, liquids, and gases, but S waves can only pass through solids. The structure of Earth can be determined by scientists using this information. Seismometers all across the world can measure the ensuing S and P waves, for instance, if an earthquake happens on one side of the Earth.
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Which of the following is NOT a type of neuron?
multipolar
unipolar
apolar
bipolar
Answers
Answer:
i think the answer is bipolar
Question 4 of 25
How are photosynthesis and cellular respiration related?
A. Cellular respiration is the process animals use to produce glucose, while photosynthesis is the process plants use to produce glucose
B. The products of photosynthesis are the reactants of cellular respiration
C. Photosynthesis produces water molecules, while cellular respiration splits water molecules apart.
D. Cellular respiration provides the energy for photosynthesis.
Answers
Answer:
B. The products of photosynthesis are the reactants of cellular respiration.
Answer: I think its B.
Please help <3
Read the following scenario and state which of the following could be a control group?
I have noticed that in my garden the bean plants that are growing in one area are taller than the bean plants growing in a different area. I think the beans are taller because that area of the garden gets more light than the other area. I have decided to conduct an experiment to see if the amount of light influences bean height.
changing the type of light
changing the type of bean plants
changing the unit of height measured
using no light
Answers
Answer:
Using no light
Explanation:
A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results of that specific group.
Using no light would be the control group in this experiment because the experiment is testing the effect that light has on the growth of bean plants.
hope this helps!
Many scientists claim that the synthesis of the first organic molecules
Answers
Many scientists claim that the synthesis of the first organic molecules from inorganic precursors was possible due to highly reducing atmosphere on primitive Earth.
What are organic molecules?The molecules consist of carbon atoms either in ring form or in straight chains is referred to as organic molecules.
It is suggested that the first organic molecules was from inorganic precursors due to highly reducing atmosphere on primitive Earth.
Thus, it can be concluded that many scientists claim that the synthesis of the first organic molecules from inorganic precursors was possible due to highly reducing atmosphere on primitive Earth.
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Jessie’s hormone levels were also examined during the glucose tolerance test. Both her insulin and glucagon levels responded normally to the test and returned to normal levels at the end. Specifically, her insulin levels were low and her glucagon levels were elevated, as would be expected when a person is fasting. Thus, it appears Jessie has some other issue with the ability to maintain glucose homeostasis.
The physician you are working with thinks back to the results of Jessie's lipid panel and decides that it warrants further investigation. Recall that Jessie had elevated levels of triacylglycerides (TAGs) and fatty acids (FAs), but no evidence of ketone body formation. However, these results reflect a single moment in time. The physician thinks that it might be more informative to evaluate how Jessie’s lipid levels respond to fasting. She suggests that you perform a 40-hour fasting metabolism study to monitor Jessie’s FA and ketone body levels during fasting.
The results of the fasting study are depicted in a pair of graphs. Note that Jessie had just eaten at the beginning of the study. The physician notices two abnormalities in Jessie's results that differ from how a healthy individual would respond. First, healthy individuals produce significant levels of ketone bodies after about 36 hours of fasting, whereas Jessie's ketone body production is negligible. Second, the study was abruptly stopped after only 36 hours because Jessie fainted again. Fasting for 36 hours is clearly not safe for Jessie.
Consider how the body ultimately converts fatty acids to ketone bodies.
A deficiency in which biochemical pathway could explain Jessie's build‑up of FAs and lack of significant ketone body production?
a.reactions catalyzed by the pyruvate dehydrogenase (PDH) complex
b. the pentose phosphate pathway
c. gluconeogenesis
d. β‑oxidation
e. the citric acid cycle
g. glycolysis
Answers
A deficiency in the β-oxidation pathway could explain Jessie's build-up of FAs and lack of significant ketone body production.
A deficiency in the β-oxidation pathway could explain Jessie's build-up of FAs and lack of significant ketone body production. Beta-oxidation is a process that occurs in the mitochondria of cells, where fatty acids are broken down into acetyl-CoA to enter the citric acid cycle and produce ATP. When the body is in a state of prolonged fasting, and glucose levels are low, the body relies on stored fats as an energy source.
During this process, FAs undergo β-oxidation to produce ketone bodies. If there is a deficiency in β-oxidation, FAs would accumulate, and ketone body production would be limited, leading to a lack of energy production. This could explain why Jessie had elevated levels of FAs and negligible ketone body production during the fasting metabolism study.
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Holes in the temple of Jupiter Serapis are due to ___.
A. termites
B. worms
C. vandals
D. the holes are due to all of the above
E. the holes aren’t due to any of the above
Answers
Holes in the temple of Jupiter Serapis are due to the holes are due to all of the above
Option D is correct.
What is temple of Jupiter Serapis?The so-called Temple of Jupiter Serapis at Pozzuoli, near Naples, was long thought to have been a temple to the ancient god Serapis, due to the discovery of a statue of the Greco- Egyptian god at the site.
The place is now known, however, to have been the macellum, or public marketplace, of Pozzuoli.
Although the exact date of the temple's founding is unknown, it is known that it existed under Caracalla's rule. It was regarded as the Quirinal Hill's most imposing temple.
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If anybody knows how to do punnet squares please help me with this
Answers
How does the structure of this enzyme help with its function?
Answers
Enzymes are able to catalyze specific reactions as they shape of the enzymes compliments the shape of the substrate.
The correct option is option A.
A number of enzymes are present in our body which happen to catalyze a number of important reactions which are essential to the body and its functioning.
Enzymes happen to bind to specific substrates at certain key locations which are present in their structure which are called active sites. These enzymes are usually highly specific and they can only bind to certain substrates for some specific reactions. Without enzymes, most of the metabolic reactions in our body would take a longer time.
Hence, the correct option is option A.
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what is weather and climate
Answers
Climate is the weather conditions in a area in general
1. Which of the following characteristics is not shared by ALL cells?
A) Have internal, membrane-bound compartments.
B) Capable of transcription and translation.
C) Capable of respiration.
D) Utilize enzyme driven reactions.
2. Which of the following structures contains the thylakoid membranes?
A) The Nucleus.
B) Lysosomes
C) Mitochondria
D) Chloroplasts
Answers
1. The characteristic that is not shared by ALL cells is "Have internal, membrane-bound compartments." .2. The structure that contains the thylakoid membranes is Chloroplasts
Explanation:Cells come in all shapes and sizes, but they all have a few things in common. For example, they all have a cell membrane that separates them from the surrounding environment. They also have cytoplasm, which is a fluid-like substance that fills the inside of the cell.
Additionally, they all have DNA, the genetic material that controls the cell's activities. While all cells share these characteristics, they do not all have internal, membrane-bound compartments. For example, bacteria are a type of cell that lacks these compartments.
2. The structure that contains the thylakoid membranes is Chloroplasts. Explanation: Chloroplasts are organelles found in plant cells that are responsible for photosynthesis. They contain a complex system of membranes called thylakoids, which are arranged in stacks called grana.
These membranes are the site of photosynthesis, the process by which plants convert sunlight into energy. The other options in the question do not contain thylakoid membranes.
The nucleus contains DNA, lysosomes contain enzymes that break down waste products, and mitochondria are the site of cellular respiration.
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The jelly like substance present between the cell membrane and the nucleus is called the ______.? A.lysosome
B.mitochondrion
C.nucleoplasm
D.cytoplasm
Answers
Answer:
D.cytoplasm
Explanation:
Cytoplasm is a jelly line substance which carries out chemical reactions in a cell.
Lysosome is a round organelle which contains digestive enzymes which break down unwanted material.
Mitochondrion are oval shaped and have a double membrane where aerobic respiration takes place, prodcing ATP in order to provide energy for cells.
Nucleoplasm is the fluid that surrounds the nucleus, which is similar to cytoplasm. Nucleoplasm helps to keep the nucleus in shape and contains nucleotides which are involved in DNA and RNA.
The vegetative body parts of a higher plant is made up of-----------,------------and----------.
Answers
Explanation:
The vegetative pats of a higher plant is made up of ROOTS,STEM and LEAVES.
Which conclusion is MOST STRONGLY supported by the data in the table?
A- Plants develop polyploidy only through selective breeding.
B- Plants may naturally increase their ploidy levels with each generation.
C- Plants can't survive 3, 4, or 5 times the haploid number of chromosomes,
D- Introducing polyploidy to plants can increase certain desirable traits.
Answers
The conclusion that is MOST STRONGLY supported by the data in the table is "D- Introducing polyploidy to plants can increase certain desirable traits."
option D is correct.
The table shows that introducing polyploidy in plants can increase the size of the leaves, cells, fruits, flowers, and seedless fruits.
Therefore, we can conclude that polyploidy can improve certain desirable traits in plants. This is also supported by the fact that many plants that are grown commercially are polyploid, which is an evidence that introducing polyploidy in plants has its advantages.
Option A is incorrect as polyploidy can be developed naturally.
Option B is not the MOST STRONGLY supported conclusion as it is not always the case that plants will increase their ploidy level with each generation.
Option C is incorrect because many polyploid plants exist and are able to survive with a higher chromosome number.
option D is correct.
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An elevated immune response to a non-pathogenic antigen is called ______. immunodeficiency hypersensitivity desensitization autoimmune disease transfusion reaction
Answers
An elevated immune response to a non-pathogenic antigen is called hypersensitivity. It is an undesired immunity reaction.
Hypersensitivity and immunity reactionsHypersensitivity can be defined as an undesirable immunity reaction that may lead to health problems in an individual.
Hypersensitivity reactions can be divided into allergic reactions and autoimmune reactions.
Hypersensitivity is caused by an excessive response of the immune system to a given substance.
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