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4. Which is TRUE about the tryptophan operon if the gene b is mutated? a. Turn off without synthesis of tryptophan b. Ca
Posted: Thu Jun 30, 2022 6:31 pm
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- 4 Which Is True About The Tryptophan Operon If The Gene B Is Mutated A Turn Off Without Synthesis Of Tryptophan B Ca 1 (58.84 KiB) Viewed 80 times
4. Which is TRUE about the tryptophan operon if the gene b is mutated? a. Turn off without synthesis of tryptophan b. Cannot be determined c. Turn on without synthesis of tryptophan d. Turn on with synthesis tryptophan 5. Tetracycline is an antibiotic which prevents bacterial protein synthesis through reversible binding to 30 S ribosomal subunits. Why is this antibiotic less toxic to eukaryotic cells than prokaryotic cells? a. Due to different ribosomal structure b. Because of difference in prokaryotic and eukaryotic translation c. None of these 6. Which of the following is NOT true with respect to the relation of cyclic adenosine monophosphate (CAMP) in Lac operon regulation? a. CAMP levels are inversely proportional to that of glucose b. Low levels of cAMP signals the absence of lactose in the cell c. None of these