Subject SAT (College Board) Biology: Questions 632 - 637 of 805

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Question number: 632

» Cell

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MCQ▾

Question

Which of the following statements about the control of enzyme activity by phosphorylation is correct?

Choices

Choice (4) Response

a.

Enzyme control by phosphorylation is irreversible

b.

Phosphorylation of an enzyme results in a conformational change

c.

Phosphorylation of enzymes is carried out by phosphoprotein phosphatases

d.

Phosphorylation of enzymes only occurs at specific tyrosine residues

Question number: 633

» Mendel and Hereditary

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MCQ▾

Question

Which contribute to the success of Mendel?

Choices

Choice (4) Response

a.

His knowledge of biology

b.

Qualitative analysis of data

c.

Observation of distinct herited traits

d.

Consideration of one character at one time.

Question number: 634

» Mendel and Hereditary

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MCQ▾

Question

Two dominant nonallelic genes are 50 map units apart. The linkage is

Choices

Choice (4) Response

a.

cis type

b.

complete

c.

trans type

d.

absent/incomplete

Question number: 635

» Mendel and Hereditary

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MCQ▾

Question

Half the sons are haemophiliac while half the daughters are carriers from a normal couple. The gene is located on

Choices

Choice (4) Response

a.

Y-chromosome of father

b.

X-chromosome of father

c.

The X-chromosomes of mother.

d.

One X-chromosome of mother

Question number: 636

» DNA and Evolution

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MCQ▾

Question

Which of the below is the archetypal example of ‘living fossils’?

Choices

Choice (4) Response

a.

Ginkgo

b.

Platypus

c.

Euglena

d.

Neopiliana

Question number: 637

» DNA and Evolution

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MCQ▾

Question

The whole-genome shotgun sequencing approach reliant on

Choices

Choice (4) Response

a.

sequencing the intact bacterial chromosome

b.

methodical sequencing a few cloned fragments of DNA

c.

rapidly sequencing thousands of small randomly cloned fragments

d.

All of the above

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