Question
of 20
If a cytosine replaces a guanine in a strand of DNA, this is known as what type of mutation?

Substitution mutation

Deletion mutation

Insertion mutation

Corruption mutation

Answers

Answer 1

Answer:

substitution

Explanation:

c replaces g. does not cause a frameshift mutation so it is not insertion or deletion, and i have no clue what corruption is when there is the word "replace" it is probably substitution.

Answer 2

Answer:

Substitution mutation

Explanation:

Mutation refers to a change in the genetic sequence of an organism. Mutation can be of different types depending on how it occurs. A type of mutation called SUBSTITUTION MUTATION involves the replacement of a nucleotide base by another in a gene.

For example, as stated in this question, when a cytosine (C) replaces a guanine (G) in a strand of DNA, it is called SUBSTITUTION MUTATION because guanine base replaces cytosine base in the sequence.


Related Questions

A person with a bacterial infection begins to feel hot and feverish. This response MOST likely helps the body fight infection by —

Answers

Answer:

making it hard for bacteria to leave the body

Explanation:

True or False: There are no shortcuts in
dichotomous keys!

Answers

True

You can’t skip any step; you need to do each step in order.

Answer:

True

Explanation:

No need to skip

What structures have parasite worms lost? What structures/organs are expanded?

Answers

Explanation:

Something that is lacking, is a circulatory system. Instead of a typical circulatory system flatworms exchange oxygen with the air outside through diffusion. This is the process by which gases will pass through a membrane from an area of high concentration to an area of low concentration.

(NO LINKS PLEASE I REALLY NEED HELP)

Earth has gone through many cycles of ice ages followed by periods of warmer climate. How might these cycles be related to patterns of solar output and patterns of change in Earth’s motion in space?

Answers

Answer:

They both go back and forth, such as the climate going from hot to warm, and the tectonic plates of the earth going from closed 300 million years ago to spreading far apart now.

Both of them oscillate, as seen by the earth's tectonic plates, which went from being tightly packed 300 million years ago to spreading widely at the moment.

What is tectonic plate?

Tectonic plate is defined as the lithosphere is made up of sections or parts of the upper mantle and crust of the earth. Starting around 4 billion years ago, cooler parts of the Earth's crust were forced downward into the warmer upper mantle, damaging and weakening the surrounding crust. According to the authors, this cycle repeated itself until the weak spots established plate borders.

Slow variations in the Earth's orbit start and conclude these ice eras. However, variations in CO2 concentrations in the atmosphere also play a significant role in driving both cooling at the start of ice ages and warming at their end. During the last ice age, the average global temperature was around 4C lower than it is now.

Thus, both of them oscillate, as seen by the earth's tectonic plates, which went from being tightly packed 300 million years ago to spreading widely at the moment.

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Why don't you have mechanical energy
when
you are
laying on the ground?

Answers

Answer:

If an object is lying on the ground, and is nowhere near a "hole" or a cliff, then for the purposes of this system, the object would have a height of zero, therefore would have no gravitational potential energy. And therefore, no work could be performed on the object by gravity.

Explanation:

How do trees help reduce carbon dioxide in the atmosphere?

Answers

Explanation:

Trees, like all plants, use the energy of sunlight to take carbon dioxide (CO2) from the air and water from the ground through the mechanism of photosynthesis. They release oxygen into the air during the process of turning it to wood.

and no- this is not copied :)

Why do mutations code proteins?

Answers

Answer:

A nonsense mutation is a genetic mutation in a DNA sequence that results in a shorter, unfinished protein product. DNA is a chain of many smaller molecules called nucleotides. During protein formation, DNA (or RNA) nucleotide sequences are read three nucleotides at a time in units called codons, and each codon corresponds to a specific amino acid or stop signal (stop codon).

Explanation:

Earth’s rotation caused surface currents in the Northern Hemisphere to

A. Curve Clockwise

B. Move in straight lines

C. Curve Counterclockwise

D. Move in diagonal lines

Answers

Answer: A or C

Hope it helps
the answer is A because earth rotates on its axis, circulating air deflecting towards the right in the northern hemisphere so if it is going right it is clockwise:)

Which one 1,2,3,4…………………

Answers

Answer:

3

Explanation:

brain

hope this helps!!!

Answer:

3

Explanation:

what does transportation help in ascent of sap?​

Answers

Evaporation of water molecules from the cells of a leaf creates a suction which pulls from the xylem cells of the roots.Thus,the transpiration helps in the absorption and upward movement of water and minerals dissolved in it from roots to leaves in the help of ascent of sap .

may this was ur answer

which of the following is an example of the current impact DNA technology has on human health?

Answers

Answer:plants grow

Explanation:te she said so

How many electrons are transferred in one ionic bond between sodium and chlorine?
a. 3
b. 2
c. 4
d. 1

Answers

Answer:

c i think so if is not correct i am sorry

B or 2 I’m not really sure

PLEASE HELP ITS MY LAST QUESTION
Oxygen is a product of the electron transport chain.
True or False

Answers

Answer:

False :)

hope this helps m8

It’s False. I’m sure that this is the answer.

how many chromosomes are there in human ovum​

Answers

Answer:

23 chromosomes

Unlike all the other cells in a human body which are diploid, human sex cells are haploid. That means that both sperm cells and ova are haploid; containing only 23 chromosomes.

Explanation:

have a good day!

(─‿─)

The chromosomes in egg and sperm cells have just 23 chromosomes each.

What is gamete?

Male gametes are termed sperm, while female gametes are called "ova." Gametes are an organism's reproductive cells, also referred to as "gender cells." Since gametes are haploid cells, each chromosome is present in one copy per cell.

Unfertilized reproductive cells are called gametes. A zygote is an egg that has been fertilized. Gametes are always haploid cells since they are a byproduct of meiosis.

Zygote is a diploid structure because it results from the fusing of a male and female haploid gamete.

Similar to a sperm, an egg has 23 chromosomes total, which is half the number found in a normal cell.

The resultant embryo will therefore have the typical 46 chromosomes in total after an egg and sperm join during fertilization.

Thus, there are 23 chromosomes in human ovum.

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The diagram shows the box for an element in the periodic table.
13
Al
Aluminum
27.0
What is the atomic number of the element shown?

Answers

Answer:

13

Explanation:

The atomic number for Aluminum (Al) is 13. If you have access to the periodic table, this would've taken a few seconds.

In order to assign a Richter magnitude to an earthquake event, a scientist would have to measure the _________ waves on a seismogram.
a. secondary
b. surface
c. primary

Answers

Primary waves on a seismograph

Dave is perched on a tree branch. Which factor determines his potential energy?

Answers

Answer:

Gravitational Potential Energy is determined by three factors: mass, gravity, and height. All three factors are directly proportional to energy.

Explanation:

Answer:

He is not moving so he is using potential energy

Explanation:

I hope this helps

I NEED HELP ASAP PLEASE!!

Answers

Answer:

yes you're good. D its the right

Wrong answers only!! What are 3 sustainable tourism takes into account

Answers

Answer:

• robing

• playing h&s

• Hw

Explanation:

How did Burger King get Dairy Queen pregnant?

Answer:

they where like McDonald's they broke the icecream maker

The concept of induced fit refers to the fact that a. Substrate binding may induce a conformational change in the enzyme, which them brings catalytic groups into proper orientation. b. When enzymes bind substrates, the substrates are bought into proximity to make a chemical reaction favorable. c. When a substrate binds to an enzyme, the enzyme induces a loss of water from the substrate. d. When a substrate binds to an enzyme, free energy is released due to non-covalent interactions.

Answers

Answer:

Option A, Substrate binding may induce a conformational change in the enzyme, which them brings catalytic groups into proper orientation.

Explanation:

Induced fit concept refers to introduction of continuous change of enzyme conformation on substrate binding. This change in the shape of enzyme either inhibit or enhance the activity of enzyme. This makes the enzyme catalytic and hence lower the activation energy thereby increasing rate of reaction.

The structure of the plasma membrane is often explained using the "Fluid Mosaic Model". In this model, the term "fluid" best refers to which of the following?

Group of answer choices

all choices are correct

water can move through the plasma membrane

the plasma membrane is made of a liquid

the fact that the phospholipids and embedded structures are free to move

Answers

Answer:

ALL OF THE ABOVE

Explanation:

How does gene regulation relate to organism complexity?

Answers

Answer:

Organisms that are more complex, such as eukaryotes, have cells that are specialized for specific functions. Gene regulation needs to be more complex to produce these specialized cells for complex organisms.

Hope this helps!

More complex organisms such as eukaryotes have cells that are specialized for specific functions where gene regulation needs to be more complex for complex organisms to produce these specialized cells.

What is Gene regulation?

The process of turning genes on and off, defined as gene regulation which is an important part of normal development. For example, genes turn on and off in different patterns during development to make a brain cell look and function differently than a liver cell or a muscle cell.

Gene expression is controlled at two levels which is transcription which is controlled by limiting the amount of mRNA that can be produced from a particular gene and the second control is through post-transcriptional events which allow the translation of mRNA into protein.

Thus, more complex organisms such as eukaryotes have cells that are specialized for specific functions where gene regulation needs to be more complex for complex organisms to produce these specialized cells.

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Sedimentary rocks such as sandstone often contain cracks or ripples. These marks show that a number of sedimentary rocks form

A. In pockets of molten rock.

B. Inside ice in mountain ranges

C. Under sands in the desert

D. At the bottom of bodies of water

Answers

C the under sands in the desert

Which of the following best represents what is displayed in the image below?
A. The differences between plant structures and the mechanism that produces them
B. The completed plant tissues and the cells that initiate their growth
C. The relationship between different structures in a plant and their functions
D. The types of plant cells and their functions within the plant

Answers

C. The relationship between different structures in a plant and their function

The given image shows the relationship between different structures in a plant and their functions.

What are the structures of plants and their functions?

There are various plant parts, each with its unique characteristics and functions to do. Each one of them plays a vital role in maintaining a healthy ecology and environment.

The parts of the plant include

Roots: The most crucial component of a plant is its roots. They are located underground and make up a plant's root system. They are responsible for holding the plant in place with the soil. They serve as an anchor that the plant uses to keep itself steady. By soaking up water, nutrients, and minerals from the soil, they also control the health of the plant. A plant can grow as a result of these. Additionally, they keep food supplies for later use.Stems: It is the second most crucial component. It rises above the ground, starts out green, and eventually turns brown as it gets older. They consist of leaves, fruits, and flowers and sustain the plant's stalk system. They support the framework and structure of the plantLeaves: Chlorophyll, which is responsible for the synthesis of plant food, can be found there. To prepare the food, it makes use of water, carbon dioxide, and sunlight. A leaf is further divided into three main parts: the petiole, leaf base, and lamina.Flowers: There are certain plants that do not have flowers. They have a vibrant, peaceful aesthetic. They are the plant's reproductive system. Petals, sepals, stamens, and pistils are its four main constituent components.Fruits: Fruit production is carried out by flowering plants. After fertilization, the fully developed ovary transforms into a fruit. They develop into a seed first, then a fruit.

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Two ways that hostility can affect the body are through stress on the heart and Select one: a. increased pulmonary function. b. reduced pulmonary function. c. decreased inflammation. d. increased lymphocyte activity.

Answers

Answer:

sorry hindi ko po alam nyan pag alam ko sasabihin ko po sa inyo promise po nyan

What regulates breathing rate and how does the body sense when to breath?

Answers

Answer:

Involuntary respiration is controlled by the respiratory centers of the upper brainstem (sometimes termed the lower brain, along with the cerebellum). This region of the brain controls many involuntary and metabolic functions besides the respiratory system, including certain aspects of cardiovascular function and involuntary muscle movements (in the cerebellum).

Explanation:

The respiratory centers contain chemoreceptors that detect pH levels in the blood and send signals to the respiratory centers of the brain to adjust the ventilation rate to change acidity by increasing or decreasing the removal of carbon dioxide (since carbon dioxide is linked to higher levels of hydrogen ions in blood).

QUICK HELP! A team of scientists found an organism in the tropical rainforest hidden in a cave. They have learned that this organism is multicellular, appears to reproduce both asexually and sexually, is eukaryotic, and is a decomposer. What kingdom(s) could this organism belong to? Choose all that apply.

Answers

Answer:

I think kingdom protista, plantae, or animalia

Answer: Plantae, animalia, protista

Explanation: I got right on test.

why are they called amino acids?

Answers

Answer:

You stated why it is called an amino acid, the name comes from the amine (amino) and the carboxylic acid (carboxyl group). Amines are weak bases, so the acid portion of the name must come from the carboxylic acid

Explanation:

hope it will help you

The primary function of insulin in our bodies is to
O
A. store fuel for later use
B. regulate the amount of glucose in the blood
C. increase the efficiency of fuel consumption
o D. prevent digestive bacteria from consuming glucose

Answers

Answer:

B. regulate the amount of glucose in the blood

Explanation:

Insulin is a peptide hormone produced by the pancreas that lowers blood glucose levels and induces the transport of glucose within the cell

what does it mean to say that CO2 becomes "fixed" during photosynthesis

Answers

Answer:

What does it mean to say that CO2 becomes "fixed" in talking about photosynthesis?

A. CO2 becomes bonded to an organic compound.

Explanation:

Other Questions
Buckner put 60$ of his 400 paycheck into his saving account.What percent of his paycheck was placed into saving? Instructions: Please prepare a Balance Sheet on your scratch paper based on the following Adjusted Trial Balance and Additional Information below to answer this question and the next three (3) questions. (Hint: you may also want to prepare a new Income Statement and Statement of Stockholders' Equity before preparing the Balance Sheet to make sure you have the necessary information for the Balance Sheet account balances.) You will need to know the amounts for total current assets, total long-term assets, total current liabilities, total long-term liabilities, and total stockholders' equity. Adjusted Trial Balance As of 12/31/20xx Accounts Debit Credit Cash $25,486 Prepaid Rent 5,700Supplies 4,400 Building 100,000Accumulated Depreciation $6,000Accounts Payable 1800 Deferred Revenue 1,300 Notes Payable (due in 24 months 80,486 Common Stock 2,100 Retained Earnings 46,400 Dividends 4,000 Service Revenue 12,400 Rent Expense 900 Supplies Expense 3,000 Utility Expense 1,000 Depreciation Expense 6,000 Totals $150,486 $150,486 Additional Information: Beginning Balance of Common Stock on 1/1/20xx $2.100 Beginning Balance of Retained Earnings on 1/1/20xx $46,400 No new stock was issued during the accounting period. . Hint: Please remember the formula for retained earnings when preparing this statement Question: What is the amount shown for Total Current Assets shown on the Classified Balance Sheet you prepared on your scratch paper? 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Which term describes the capacity of the soil to allow fluids to pass through it?A)textureB)compositionC)particle sizeD)permeabilityFrology Interactions of living 40 Points!!! Answer ASAP!!1. Why is the energy industry looking for new ways to access oil and natural gas? Write at least two sentences to explain this trend.2. Name three of the newer methods for accessing oil and natural gas. After each, write a sentence explaining how the method works. Finally, list at least one upside and one downside of each method. 87875696 X 785plz help. help!!! For which points is the x-coordinate less than 3? PLZ ILL DO ANYTHING HELPTo conserve energy during World War I, the Fuel Administration introduced..A) daylight savings time.B) longer workdays.C) Hooverizing.D) corn-based fuels. define glacial period Positive feedback is a control system that sends a signal to ________ a response. i need a hw helper to help me with my assignments Will mark Brainliest. Please answer questions 9-14 :) (Slogans Part 2)Reduce your carbon footprint in style.That was easy.Rewards reimagined.Snap! Crackle! Pop!Is it in you?Finger lickin good.Let us guide you home.Belong anywhere.Can you hear me now? Good.America runs on dunkin.Breakfast of champions.Betcha cant eat just one.Think outside the bun.Dont crack under pressure.Save money. Live better.Lets go places.Double your pleasure, double your fun."Have it your way.Dont live life without it. A water sprinkler sends water out in a circular pattern. How many feet away from the sprinkler can it spread water if the area formed by the watering pattern is 907.46 square feet? Use 3.14 for