Question

Transcriptional regulation in bacteria involves a combination of regulatory proteins, DNA sequences, and small effector molecules. Note the list of terms below:

Activator

+1

Inhibitor

-10

Allolactose

cAMP

CAP

Operator

lacA

Repressor

lacZ

Inducer

a.Which of the terms describes or is an example of a regulatory protein?

b.Which of the terms describes or is an example of a small effector molecule?

c.Which of the terms describes of is an example of a sequence found within the DNA?

d.Which of the above is not involved in the lacoperon?

e.Which of the above is an example of a structural gene?

Answer 1

a.repressor

b.c AMP

c.operator,lac-Z,lac-A

d.inhibitor

e.Structural genes - lac Z and lac-A