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Question

In growing cells there are two classes of proteins that can trigger or check the progression of the cell cycle from the G1 phase to the M phase. These protein classes are called (i)______ and (ii)______ . (iii)______ is the English biochemist who discovered (i)______; they are so named because their significance is in the initiation and regulation of the cell division process in a (iv)______.


A

(i) CDK (ii) Tim Hunt (iii) Cyclic manner (iv) Cyclins

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B

(i) Cyclins (ii) CDK (iii) Tim Hunt (iv) Cyclic manner

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C

(i) Tim Hunt (ii) Cyclic manner (iii) Cyclins (iv) CDK

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D

(i) Cyclic manner (ii) Cyclins (iii) CDK Tim Hunt

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Solution

The correct option is B

(i) Cyclins (ii) CDK (iii) Tim Hunt (iv) Cyclic manner


In growing cells there are two classes of proteins that can trigger or check the progression of the cell cycle from the G1 phase to the M phase. These protein classes are Cyclins and CDK (Cyclin Dependant Kinases). Tim Hunt is the English biochemist who discovered cyclins; they are so named because of their significance in initiation and regulating the cell cycle in a cyclic manner.


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