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wolverine [178]
3 years ago
15

How many nucleotides are involved in a point mutation? ?

Biology
2 answers:
Aleonysh [2.5K]3 years ago
8 0

Answer:

It is the result of a single nucleotide, but due to the one mistake of the first singular nucleotide many can be changed.

nirvana33 [79]3 years ago
4 0

Answer:

One or a few

Explanation:

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Give all the possible Anti-codons for the amino acids listed below. (Use page 244 in your text). Histidine (His)
Stells [14]

Answer:

idek

Explanation:

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3 years ago
Which organelles appear ONLY in plant cells? Explain. (Question 2)​
vladimir1956 [14]
Well, the cell wall only appears in plant cell along with the chloroplast which is the energy making of the plant cell.

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3 0
2 years ago
A skull with a foramen magnum positioned at the back of the skull belongs to an individual that Group of answer choices is fully
ira [324]

A skull with a foramen magnum positioned at the back of the skull belongs to an individual that is fully bipedal, such as a human.

<h3>What is a Skull?</h3>

This is referred to a skeletal structure composed of bones which houses and protects the brain.

A foramen magnum is at the base of the spinal cord which is where the opening where the spinal cord passes through which is common in bipedal such as man.

Read more about Bipedal here brainly.com/question/4110325

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6 0
2 years ago
The environment needs to [BLANK] in order for natural selection to occur.
mojhsa [17]

the actual CORRECT answer is change.

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The environment needs to [change] in order for natural selection to occur.

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4 0
3 years ago
Read 2 more answers
Scientists studied reproduction in the New Zealand mud snail. They wanted to determine whether reproducing sexually or asexually
lubasha [3.4K]

A hypothesis is a claim that expresses a relationship between variables. D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

<h3>What is a hypothesis?</h3>

A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, but not a fact. It is a claim of how it works a relationship between two or more variables.

The researcher hypothesizes in order to predict what is going on or what is expected to occur.

A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relationship between the involved variables. It must be objective. Usually, it is written in the present time.

There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative.  

In the exposed example, researchers wanted to determine whether reproducing sexually or asexually was more beneficial for the snails.

Options,

A) <em>Sexual reproduction is advantageous over asexual reproduction because it reduces the rate of mutation accumulation. </em>

The benefit of reproducing sexually is that the risk of mutation is lower.

B) <em>Asexual reproduction is advantageous over sexual reproduction because it allows the snails to produce more offspring.</em>

<em />

The benefit of reproducing asexually is that a higher number of descendants are produced, which increases reproductive success.

C) Sexual reproduction is advantageous over asexual reproduction because it allows for snails to have increased genetic variation.

The benefit of reproducing sexually is that it increases genetic variation.

D) Asexual reproduction is advantageous over sexual reproduction because it decreases the snails’ need for social interaction.

The benefit of reproducing asexually is that there is no need for social interaction.

Social interaction does not really benefit snails as a species. This is not a variable that might influence in a significant way snails.

However, variables like the mutation rate, variability, and the number of descendants are useful to test how they benefit or not the snails.  

The hypotheses that would least likely aid the scientists to answer the question is <u>option D</u>.

You can learn more about hypothesis at

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3 0
2 years ago
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