DNA and Evolution [Subject SAT (College Board) Biology]: Questions 13 - 18 of 134

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Question number: 13

» DNA and Evolution

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MCQ▾

Question

During prophase, chromosomes are

Choices

Choice (5)Response

a.

Thick and straight

b.

Thick and uncoiled

c.

Large and straight

d.

Large and coiled

e.

Question does not provide sufficient data or is vague

Question number: 14

» DNA and Evolution

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MCQ▾

Question

DNA is present in the

Choices

Choice (5)Response

a.

Nucleus and mitochondria

b.

Nucleus only

c.

Nucleus, mitochondria and chloroplast

d.

Nucleus and ER

e.

Question does not provide sufficient data or is vague

Question number: 15

» DNA and Evolution

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MCQ▾

Question

When the B-DNA molecule (right-handed helical structure) is twisted in the direction opposite to the clockwise turns, such DNA acquired

Choices

Choice (5)Response

a.

Z-form

b.

A-form

c.

Negative supercoils

d.

Positive supercoils

e.

None of the above

Question number: 16

» DNA and Evolution

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Matching-Pair▾

Question

Find the pair which does not match:

Choices

Choice (5)Response

a.

Mitochondria

Respiration

b.

Plastid

Photosynthesis

c.

Ribosome

Carbohydrates

d.

Cytoplasm

RNA

e.

Question does not provide sufficient data or is vague

Question number: 17

» DNA and Evolution

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MCQ▾

Question

Bacteriophage releases lysozyme at

Choices

Choice (5)Response

a.

Eclipse phase

b.

Penetration phase

c.

Maturation phase

d.

Absorption phase

e.

All of the above

Question number: 18

» DNA and Evolution

Edit
MCQ▾

Question

Which of the following statements is not true about RNA?

Choices

Choice (5)Response

a.

Does not obey Chargaff’s rule

b.

Thymine is present

c.

Does not have a double stranded structure

d.

The sugar contained in RNA is a ribose

e.

None of the above

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