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Question : [A): Prokaryotic cells do not contain repres- sor protein[R]: They do not function as genetic valves by combining with specific genes to turn on their activity.

Answer»

If both A and R are TRUE and R is the correct EXPLANATION of A
If both A and R are true but R is not the correct explanation of A
If A is true and R is false
If both A and R are false

ANSWER :D


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