Bacterial Genetics

Genes grouped together with a related function is called a/an ______.

• operon

• promotor

• operator

• repressor protein

A protein that binds to the operator and blocks the RNA polymerase

• regulator

• repressor

• activator

• corepressor

The "on/off" switch for an operon is called the

• promoter

• repressor

• operator

• gene

Operons are found in the cells of which of the following types of organisms?

• prokaryotes (bacteria)

• eukaryotes (plant and animals)

• animals only

• viruses

Tags

NGSS.HS-LS3-2

If the pattern of growth continues, how many bacteria will be in sample B when six hours have elapsed?

• 32

• 64

• 1024

• 2056

Tags

NGSS.MS-LS1-5

What is 1 in the diagram?

• RNA polymerase

• Inducer

• Repressor

• Operator

What is 2 in the diagram?

• RNA polymerase

• Inducer

• Repressor

• Operator

What is 4 in the diagram?

• RNA polymerase

• Inducer

• Repressor

• Operator

Tags

NGSS.HS-LS1-1

What is 5 in the diagram?

• RNA polymerase

• Inducer

• Repressor

• Operator

What type of operon is the trp (tryptophan) operon?

• inducible

• repressible

• positive control

• promoible