Which of the following is a characteristic of the set of genes in an operon that is not true of a regulon?

A. Transcription can produce long polycistronic mRNA that contains multiple genes in each transcript.
B. Each gene of the set usually contains its own Shine-Dalgarno sequence.
C. Regulation of gene expression can occur through activation or repression mechanisms.
D. All of the genes in the set are controlled by a single promoter.


D

Biology & Microbiology

You might also like to view...

Describe the evidence that supports that protists have evolved into multiple evolutionary lineages.

What will be an ideal response?

Biology & Microbiology

Over tropical rainforest areas, approximately 90% of the water that reaches the atmosphere comes from

A. plant absorption. B. animal metabolism. C. plant transpiration. D. plant metabolism. E. animal perspiration.

Biology & Microbiology

In the reaction glucose + fructose ----> sucrose + water, _______ is a reactant and _______ is a product.

A. sucrose ... fructose B. glucose ... water C. glucose ...fructose D. sucrose ... water

Biology & Microbiology

A tetraploid plant species (with four identical sets of chromosomes) is probably the result of _________.

a. allopolyploidy b. hybridization and nondisjunction c. allopatric speciation d. autopolyploidy as well as hybridization and nondisjunction e. autopolyploidy

Biology & Microbiology