One nucleotide in a DNA strand is replaced with another, but the change results in
the same amino acid to be placed next in the protein. What is this type of mutation?

nonsense
point
silent
frameshift

Answers

Answer 1

Answer:

The type of mutation that occurs when one nucleotide in the DNA strand is replaced by another, but the change results in  the same amino acid to be placed next in the protein is a silent mutation.

Explanation:

Silent mutations are molecular mutations where, despite a change in one of the DNA nucleotides, this change has no impact on the amino acid sequence that a synthesized protein will have.

An example of a silent mutation is the change in a DNA sequence TTC where a thymine replaces the cytosine, obtaining the TTT sequence:

                  Normal     With mutation

DNA              TTC            TTT

mRNA           AAG           AAA

Amino Acid   Lys             Lys

There was a nucleotide change in the DNA, but the encoded amino acid was the same, which is a silent mutation that does not affect the amino acid sequence of a protein, its structure or function.


Related Questions

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit.
1. deciduous trees lose their leaves seasonally and include trees such as maple and elm.
2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine.
3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine.
4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Answers

Complete question:

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit.

ElmMaple MangoPine     Cedar

1. deciduous trees lose their leaves seasonally and include trees such as ----- and ----.

2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include ---- and -----.

3. evergreens are plants that maintain their leaves in all seasons and include trees such as ---, ---, and ---.

4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as ---, ---, and ---.

Answer:

1. deciduous trees lose their leaves seasonally and include trees such as elm and maple.

2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include pine and cedar.

3. evergreens are plants that maintain their leaves in all seasons and include trees such as Pine, Cedar, and Mango.

Explanation:    

Deciduous trees:  These plant species lose their leaves every year during the cold and dry autumns and winters, as it is the most limiting period over the year. Foliage resprout again during the warmer wet season when it rains more often, during spring and summer. Template forest biome characterizes for having deciduous trees such as oaks, maple, or elm, among other phanerophyte species.

1. deciduous trees lose their leaves seasonally and include trees such as elm and maple.

Conifer: Correspond to the gymnosperm group. They are perennial, vascular, evergreen, woody plants. They characterize for having a straight trunk with secondary growth and no vessels in the xylem tissue. Their branches usually develop horizontally, with needle-like leaves growing on them, unisexual flowers, and seeds included in a cone.

 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include pine and cedar.

Evergreens: Perennial plants that keep their green leaves the whole year.  These are the opposite of the deciduous trees. Tropical forests characterized for having these broadleaf plant species, such as mango, that are favored by the environmental conditions as precipitations are abundant and the average temperature is elevated most of the year. Also, many evergreen plants are typical of the boreal forest.  Pines, cypress, cedar, and sequoia are examples of these last ones.

3. evergreens are plants that maintain their leaves in all seasons and include trees such as Pine, Cedar, and Mango.

Hardwoods: Angiosperms. Xylem with vessels. These species present a high diversity in shape, textures, and sizes. They might reproduce asexually or sexually by producing flowers, fruits, and seeds. Also, they might be either evergreen or deciduous.

4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as Elm, Maple, and Mango.    

If anyone knows this please let me know and explain??

Answers

Answer:

I am pretty sure the answer is Melting

Explanation:

C) Evaporating

The molecules in the first state are liquid (you can tell how they aren’t in a fixed structure) break apart randomly and evaporate into a gas

which element is a poor conductor out of Copper (Cu) Gold (Au) Sulfur (S) potassium (K)

Answers

Answer:

Sulfur

Explanation:

Hope this helps

Can someone help me on this question for brainliest please.

Answers

The stream might over flow and start going faster.

Hope this helps!

The water inside a teacup is very hot, about 80 degrees Celsius The water inside a large bathtub is warm, about 40 degrees Celsius. Which has the greater average kinetic energy

Answers

i didn’t get to see this answer but it was very easy for me

pls help will give branliest answer

(it's the highlighted question)

Answers

This means that if an individual is heterozygous for a particular gene, the dominant allele will completely mask the recessive allele.This results in a phenotype that is different from both the dominant and recessive alleles, and appears to be a mixture of both. This Punnett square shows incomplete dominance. Hope this helps! Please mark Brain list!

3. Which of the following is a major functional characteristic of all organisms? (a) movement,
(b) growth, (c) metabolism, (d) responsiveness, (e) all of these.

Answers

Answer:

The correct option is E..all of these

Explanation:

This is because all living exhibit functional characteristics which are movement, respiration, nutrition, irritability, growth, excretion, respiration and death. This characteristics are indication that organisms are living things.

Growth: it is the increase in size of organisms. All living organisms grow, they increase in size , from zygote to adulthood.

Metabolism...all living organisms excreate, they absorb nutrients and remove unwanted waste products and undigested good like sweat, urine e.t.c.

Responsiveness....All living organisms respond to stimulus, they respond to external environment or change.

How would an increase in surface temperatures in the pacific affect sea otters and why would this happen?

Answers

Explanation:

How would an increase in surface temperatures in the pacific affect sea otters and why would this happen?

The water that sea otters live in is chilly, ranging from 35 to 60 degrees Fahrenheit—much too cold for humans. Otters don't have blubber to keep them warm like other marine mammals. Instead, they rely on their thick fur coat to maintain a constant body temperature of 100 degrees Fahrenheit.

True or False: Food Webs are generally more accurate and detailed models of an ecosystem than Food Chains.

Answers

Answer:

True

Explanation:

They have more options and possible ways

Answer:

true,

The food web provides a better model of an ecosystem because the food web is a model between MANY different consumers and producers in an ecosystem. While the food chain is a model for just one consumer and producer. ... Because energy is lost as it moves from producers to consumers, the bottom level is the largest.

How might environmental manipulation of a crop have unexpected consequences? a. The new crop may require more water than the original. b. The crop may harm the environment. c. The yield may be reduced. d. All of the above Please select the best answer from the choices provided

Answers

Answer:

D all of the above

Explanation:

just took the test

Environmental manipulation can have both types of consequences - beneficial as well as adverse. At times, these changes can be unexpected too. The correct option is D.

What negative effect does environmental manipulation of a crop have?

The crop can have a need for more water as compared to the original if there would be a change in the soil, region or even climate of the crop. An increase in the temperature can affect the availability of water to the crop.

Changes in the soil can result in variation in the availability of minerals required for the growth of plants. This can cause improper health condition of the crop, which will ultimately decrease its yield.

Overuse of fertilizers and pesticides can affect the quality of the soil and also have a negative impact on the crop. It can also be passed on to the consumers of the crop due to bioaccumulation.

Thus, all of the mentioned statements are correct. Hence, the correct option is D.

Learn more about environmental manipulation here:

https://brainly.com/question/3790213

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Air pollution is a major health problem caused by the burning of fuels in
a.vehicles.
b.power plants and factories.
c.home furnaces.
d.All of the above

Answers

Answer:

D

Explanation:

all of those contribute to air pollution

Answer: D

Explanation:

Which of the following foods contain MOSTLY lipids? (Check all that apply)

Bread
Broccoli
Soda
Pasta
Olive oil
Fish
Butter
Nuts
Steak

Answers

Answer:

Olive oil.

Explanation:

Edible oils are lipids. These include vegetable oils such as:

canola cottonseed grape seed corn olive peanut and many others

.. Which pair of organisms is most likely to have adaptations in common?

Answers

Answer: the 1st one

Explanation:

A grassland predator and prey, such as a cheetah and a zebra. Therefore correct option is (A).

What organisms have common adaptations?

The pair of organisms that is most likely to have adaptations in common is a pair of organisms that share similar environmental pressures or ecological niches. Organisms that occupy similar habitats, have similar diets, or face similar challenges are more likely to evolve similar adaptations over time.

For example, predatory animals such as lions, tigers, and leopards have evolved similar adaptations such as sharp claws, powerful jaws, and keen senses to help them catch prey. Similarly, desert-dwelling animals such as camels, kangaroo rats, and fennec foxes have adaptations such as the ability to conserve water, tolerate heat, and dig burrows in sandy soil to survive in their arid environments.

Learn more about adaptation, here;

https://brainly.com/question/12671047

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Brown-eye color is dominant and blue-eye color is recessive. A brown-eyed man marries a blue-eyed woman and they have a son that has Green eyes. SC.912.1.16.1
What Pattern of inheritance is that?
sex-linked
Co-dominant
Incomplete dominance
O polygenic recessive

Answers

Answer: Polygenic recessive

Explanation: Because polygenic dominance describes a relationship between the alleles of a polygenic trait where some alleles are dominant and others are recessive.

This is the pattern of inheritance of Polygenic recessive. So, the correct option is (D).

What is Polygenic inheritance?

Polygenic inheritance can be described as the inheritance of traits that are governed by different genes and not just a single gene, and can also be referred to as non-Mendelian inheritance, where traits run like a bell. distributes the sizes and shows the different combinations such as dominant and recessive alleles.

Polygenic traits express several different phenotypes, or displayed characteristics where this inheritance is a type of incomplete dominance inheritance, where the expressed phenotype is a mixture of inherited traits.

Thus, this is the pattern of inheritance of Polygenic recessive. So, the correct option is (D).

Learn more about Polygenic traits, here:

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Please help whoever’s right will get brainliest :)

Answers

Answer:

Cell Theory

1.  All living organisms are made of cells

2. Cells arrive from previously existing cells

3. Cells are the basic unit of structure...

Explanation:

What is your opinion on the use of stem cells, obtained from fertilized eggs or early stage embryos

Answers

I believe that it can help in the future. Who knows embryonic stem cells may lead to new, and more effective treatments for serious human ailments and alleviate the suffering of thousands of people!

USE OF STEM CELL:

The first attempts to turn mature cells back into pluripotent stem cells involved a process called cloning. In the cloning process, an egg is fertilized in the lab, and right after fertilization, the DNA is removed from the egg.These stem cells come from embryos that are three to five days old. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body. This versatility allows embryonic stem cells to be used to regenerate or repair diseased tissue and organs.Despite the potential benefit of using human ES cells in the treatment of disease, their use remains controversial because of their derivation from early embryos.

Learn more:

brainly.com/question/12483864

Body cells are all I need help

Answers

Haploid :) sorry if I’m wrong

An amoeba ingests large food particles by​

Answers

From a method called phagocytosis.

1. Which genotype(s) and phenotype for fur length are dominant?

2. Which genotype(s) and phenotype for fur length are recessive?

Answers

Complete question:

You will find the complete problem in the attached files, where all the proposed crosses are detailed.

Answer:

1. Which genotype(s) and phenotype for fur length are dominant?  

Genotype: FF + FfPhenotype: Short fur

2. Which genotype(s) and phenotype for fur length are recessive?

Genotype: ffPhenotype: Long fur

Explanation:

Available data:

F is the dominant allele that codifies for short furf is the recessive allele that codifies for long fur

CROSSES:

1) Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see what type of offspring?  

all short fur;  some short and some long fur;  all long fur offspring.

Cross:        FF   x   Ff

Gametes) F   F     F   f

Punnet square)   F         F

                  F     FF       FF

                  f      Ff        Ff

F1) Genotype:

     2/4 = 1/2 = 50% FF

     2/4 = 1/2 = 50% Ff

     Phenotype:

    4/4 = 100% Short-fured individuals

2) Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see what type of offspring? Pick 1)

all short fur;  some short and some long fur;  all long fur offspring.

Cross:         Ff   x   Ff

Gametes) F   f      F   f

Punnet square)   F         f

                  F     FF       Ff

                  f      Ff        ff

F1) Genotype:

     1/4 = 25% FF

     2/4 = 1/2 = 50% Ff

     1/4 = 25% ff

     Phenotype:

    3/4 = 75% Short-fured individuals

    1/4 = 25% long-fured individuals

3) Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see what type of offspring? Pick 1)

all short fur;  some short and some long fur;  all long fur offspring.

Cross:        ff   x   ff

Gametes) f   f     f   f

Punnet square)   f         f

                      f     ff       ff

                      f      ff       ff

F1) Genotype:

     4/4 = 100% ff

     Phenotype:

    4/4 = 100% long-fured individuals  

Answer:

Here is an example of my Heredity Lab Report for FLVS if anyone needs it.

Explanation:

(it is a link)

This species of squirrel has been separated by the Grand
Canyon. Which term best describes the differences
between them?
) Variation
O b) Extinction
Population
d) Overpopulation
Hurry I have 10 minutes left pls

Answers

Answer:

Explanation:b

Name one photosynthesis organism and how it affects the plant.​

Answers

Answer:

Hey!

Explanation:

Plants like Sunflowers are organisms that use photosynthesis, and photosynthesis makes it so where the plant can get energy out of Radiant Energy. Hope this helps!

Can you help me please

Answers

Answer:

what is the question?  please give more details

Explanation:

Black mice and tan mice are native species that are observed in a particular region. Human habitation in the region caused an invasive mouse species to enter the region. These mice are brown and share the same food requirements as black mice. Tan mice have different food requirements. How will this change affect the food web in the region? A. The availability of food resources for black mice and brown mice will decrease. B. The population of tan mice will decrease. C. The black mice and tan mice will compete for food resources. D. The tan mice and brown mice will compete for food resources.

Answers

Answer:

A

Explanation:

The correct answer would be that the availability of food resources for black mice and brown mice will decrease.

Since the food requirements of the black mice are the same as that of the invasive brown mice, the available food supply that used to be only for the black mice would now be shared by the two strains of mice. Hence, the available food for the two groups of mice will naturally decrease.

There is no sufficient information to conclude that the population of tan mice will decrease, hence, option B is incorrect.

The black mice and tan mice have different food requirements going by the information available in the illustration, hence, both cannot compete for food resources. Option C is, therefore, incorrect. In the same vein, option D is incorrect because the tan mice have different food requirements from the brown mice.

The only correct option is A.

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