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Biology, 18.02.2020 21:51 guest7514

Operons are made of two or more genes that are located near each other in a sequence of DNA. Some operons allow for regulation of the expression of proteins at the transcriptional level. As a result, some operons are inducible, while others repressible. Which of the following represents an inducible operon? a. The production of enzymes that allow for the fermentation of the sugar lactose when it becomes available in the culture medium b. The enzymes needed for glucose metabolism are always produced at a constant level. c. Proteases break down proteins when they are no longer necessary. d. The discontinued production of the enzymes needed to synthesize the amino acid tryptophan if it is added to the growth medium

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Operons are made of two or more genes that are located near each other in a sequence of DNA. Some op...

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