Subject SAT (College Board) Biology: Questions 632 - 637 of 805
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Question number: 632
» Cell
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 |
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| b. | Phosphorylation of an enzyme results in a conformational change |
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| c. | Phosphorylation of enzymes is carried out by phosphoprotein phosphatases |
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| d. | Phosphorylation of enzymes only occurs at specific tyrosine residues |
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Question number: 633
Question
Which contribute to the success of Mendel?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | His knowledge of biology |
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| b. | Qualitative analysis of data |
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| c. | Observation of distinct herited traits |
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| d. | Consideration of one character at one time. |
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Question number: 634
Question
Two dominant nonallelic genes are 50 map units apart. The linkage is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | cis type |
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| b. | complete |
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| c. | trans type |
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| d. | absent/incomplete |
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Question number: 635
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 |
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| b. | X-chromosome of father |
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| c. | The X-chromosomes of mother. |
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| d. | One X-chromosome of mother |
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Question number: 636
Question
Which of the below is the archetypal example of ‘living fossils’?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Ginkgo |
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| b. | Platypus |
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| c. | Euglena |
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| d. | Neopiliana |
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Question number: 637
Question
The whole-genome shotgun sequencing approach reliant on
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | sequencing the intact bacterial chromosome |
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| b. | methodical sequencing a few cloned fragments of DNA |
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| c. | rapidly sequencing thousands of small randomly cloned fragments |
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| d. | All of the above |
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