1) the first checkpoint of a cell cycle is a) G1 checkpoint b) M checkpoint c) I  checkpoint d) C checkpoint 2) which of the following best describes the event that is taking place in the image a) cyclin is destroyed b) CDK is activated c) cyclin/ CDK is activating a protein d) phosphate group is transferred to a protein 3) which of the following best describes cancer a) controlled cell growth b) uncontrolled cell growth c) blood circulation throughout the body d) programmed cell death 4) apoptosis : a programmed cell death a) true b) false

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