When E.coli cells produce the amino acid tryptophan,a cluster of five genes is transcribed together.This cluster of genes is referred to as the
A)trp transcriptional operator.
B)trp regulator.
C)trp suppressor.
D)trp operon.
E)trp promoter.

Question

Quizplus · Accepted Answer

The cluster of five genes responsible for tryptophan biosynthesis in E.coli is transcribed together as a single unit known as the trp operon. The other options are not accurate descriptions of this genetic unit.

When EColi Cells Produce the Amino Acid Tryptophan,a Cluster of Five