Subject SAT (College Board) Biology: Questions 393 - 397 of 824

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Question number: 393

» Cell

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MCQ▾

Question

Nuclear envelope reappears at

Choices

Choice (5)Response

a.

Telophase

b.

Cytokinesis

c.

Metaphase

d.

Anaphase

e.

All of the above

Question number: 394

» Atoms and Compounds

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MCQ▾

Question

The 3D structure of protein can be determined by

Choices

Choice (5)Response

a.

NMR- Nuclear magnetic Resonance

b.

X-ray crystallography

c.

Both a. and b. are correct

d.

None of the above

e.

Question does not provide sufficient data or is vague

Question number: 395

» Atoms and Compounds

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MCQ▾

Question

What discovery was accounted for in Rutherford’s model of the atom?

Choices

Choice (5)Response

a.

Electrons

b.

A positively charged nucleus

c.

Neutrons

d.

The northwest passage

e.

Question does not provide sufficient data or is vague

Question number: 396

» Cell

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MCQ▾

Question

At metaphase, chromosomes are attached to the spindle fibres by their

Choices

Choice (5)Response

a.

Satellites

b.

Secondary constrictions

c.

Kinetochores

d.

Centromere

e.

None of the above

Question number: 397

» Cell

Edit
MCQ▾

Question

Which of the following statements is not true regarding the active site of an enzyme?

Choices

Choice (5)Response

a.

An active site contains amino acids which are important to the binding process and the catalytic mechanism.

b.

An active site is normally a hollow or cleft on the surface of an enzyme

c.

Substrates fit into active sites and bind to functional groups within the active site.

d.

An active site is normally hydrophilic in nature

e.

Question does not provide sufficient data or is vague

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