AP BIOLOGY

HEREDITY

MUTATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the role of operons in prokaryote gene expression?
A
It makes the genes prokaryotes be turned on
B
It accounts for the regulation of gene activity in response to the needs of the cells
C
To make DNA for the gene
D
To make the gene turn of and off
Explanation: 

Detailed explanation-1: -The Role of Operons Regulation of transcription in prokaryotes typically involves operons. An operon is a region ofDNA that consists of one or more genes that encode the proteins needed for a specific function. The operon also includes a promoter and an operator.

Detailed explanation-2: -The regulation of gene expression in prokaryotic cells occurs at the transcriptional level. There are three ways to control the transcription of an operon: repressive control, activator control, and inducible control.

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