Which of the following are possible structural forms of bacterial and archaeal c

ID: 219230 • Letter: W

Question

Which of the following are possible structural forms of bacterial and archaeal chromosomes? Choose one or more:

A. linear RNA chromosomes

B. circular DNA chromosomes

C. linear DNA chromosomes

D. circular RNA chromosomes

Identify which of the following statements are true about an operon. Choose one or more:

A. Operons produce monocistronic messages.

B. Multiple RNA molecules are produced by a single operon.

C. All genes in an operon are controlled by a single promoter.

D. Multiple protein products can be produced by a single operon.

Which of the following are extragenomic DNA molecules that commonly interact with bacterial genomes? Choose one or more:

A. horizontally transferred bacterial plasmids

B. bacteriophage genomes

C. mitochondrial genomes

D. eukaryote-specific plasmids, such as 2µ in Saccharomyces cerevisiae

1.possible structural forms of bacterial and archaeal chromosomes- circular DNA chromosomes (option B)

2. true about an operon-

all genes in an operon are controlled by a single promoter. (option C)

Multiple protein products can be produced by a single operon. (option D)

3. extragenomic DNA molecules that commonly interact with bacterial genomes-

horizontally transferred bacterial plasmids (option A)

bacteriophage genomes (option B)

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