DNA and Evolution [Subject SAT (College Board) Biology]: Questions 110 - 114 of 134

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Question number: 110

DNA and Evolution
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Question

MCQ▾

Which of the following is most important for speciation?

Choices

Choice (5)Response

a.

behavioural isolation

b.

reproductive isolation

c.

tropical isolation

d.

seasonal isolation

e.

Question does not provide sufficient data or is vague

Question number: 111

DNA and Evolution
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Question

MCQ▾

The mutation in which the length of a protein remains unaffected

Choices

Choice (5)Response

a.

nonsense mutation

b.

frameshift mutation

c.

missense mutation

d.

Question does not provide sufficient data or is vague

e.

None of the above

Question number: 112

DNA and Evolution
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Question

MCQ▾

Semi-conservative DNA replication was foremost confirmed in

Choices

Choice (5)Response

a.

Streptococcus pneumonae

b.

Drosophila melanogaster

c.

Escherichia coli

d.

All of the above

e.

Question does not provide sufficient data or is vague

Question number: 113

DNA and Evolution
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Question

MCQ▾

DNA is composed of repeating units of

Choices

Choice (5)Response

a.

deoxyribonucleotides

b.

ribonucleosides

c.

ribonucleotides

d.

deoxyribonucleosides

e.

None of the above

Question number: 114

DNA and Evolution
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Question

MCQ▾

A clover-leaf like secondary structure of tRNA comprising of

Choices

Choice (5)Response

a.

four stem loops

b.

three stem loops

c.

two stem loops

d.

Question does not provide sufficient data or is vague

e.

All of the above