DNA and Evolution [Subject SAT (College Board) Biology]: Questions 127 - 132 of 134

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Question 127

DNA and Evolution
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Question

MCQ▾

The portion of the DNA molecule that can vary is its

Choices

Choice (5)Response

a.

Ribose.

b.

Base.

c.

Sugar.

d.

Phosphate.

e.

Deoxyribose.

Question 128

DNA and Evolution
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Question

MCQ▾

Which of the following replaces guanine in RNA?

Choices

Choice (5)Response

a.

Adenine

b.

Cytosine

c.

Thymine

d.

Uracil

e.

None of the above

Question 129

DNA and Evolution
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Question

MCQ▾

For the DNA strand the correct compliment DNA would be

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question 130

DNA and Evolution
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Question

MCQ▾

An mRNA is nucleotides long. The number of amino acids in the polypeptide chain formed from this mRNA is

Choices

Choice (5)Response

a.

143

b.

142

c.

141

d.

429

e.

428

Question 131

DNA and Evolution
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Question

MCQ▾

Which of the bonding examples below is NOT possible?

Choices

Choice (5)Response

a.

A DNA adenine to a DNA thymine

b.

A DNA adenine to an RNA thymine

c.

A DNA guanine to an RNA cytosine

d.

A DNA adenine to an RNA uracil

e.

A DNA guanine to a DNA cytosine

Question 132

DNA and Evolution
Edit

Question

MCQ▾

Darwin’s Natural Selection includes all of the following EXCEPT

Choices

Choice (5)Response

a.

Variation can be due to mutations.

b.

The difference in survivability between organisms may be due to variation.

c.

Not all organisms may survive, due to competition.

d.

Organisms produce more offspring than can survive.

e.

Some organisms will be fit to survive than others.