Regulation of gene expression helps organisms adjust to their environment. Singl

Question

Regulation of gene expression helps organisms adjust to their environment. Single-celled organisms are directly exposed to their environment when it changes. In terms of regulation of gene expression, how do these single-celled organisms deal with their changing environments? Choose one: A. They are able to change the times when different genes are turned on or off in response to environmental changes. B. All their genes are making proteins all the time in anticipation of any environmental changes. C. They can't adjust their gene expression to cope with environmental changes and so they can die fairly quickly D. They send out and receive signals from other single-celled organisms that allow them to turn gene expression on and off.

Explanation / Answer

Answere :

Question 1 : The option (A) is correct i.e. They are able to change the times when the different genes are turned ON or OFF in response to envirnoment changes.

Question 2 : The option (D) is correct i.e. The correct sequence for mRNA is AAUCCGCGUAUCGAU

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