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AP Ch Quiz Ch 16 Gene Regulation

Hello everyone and welcome to “AP Ch Quiz Ch 16 Gene Regulation”, where we’ll be looking at the topic of AP Chemistry with specific reference to Gene Regulation – which is the process of controlling...

Questions: 9 | Attempts: 1382 | Last updated: Mar 21, 2023

Sample Question 1
Which statement is NOT correct about the lac operon?

It regulates the production of a series of five enzymes.

It is normally turned off if glucose is present.

Lactose binds to the repressor protein and inactivates it.

It is an inducible system.

The structural genes make products that allow lactose metabolism.

Sample Question 2
Which statement is NOT correct about the trp operon?

The structural genes make products that act in a metabolic pathway to produce tryptophan.

It is normally turned off if tryptophan is present.

Tryptophan acts as the corepressor.

The regulator gene product is inactive by itself.

Tryptophan binds to the repressor protein and inactivates it.

Sample Question 3
Which level of primary control in eukaryotic gene activity involves the life span of the mRNA molecule and the ability of the mRNA to bind to ribosomes?

Feedback control

Translational control

Transcriptional control

Posttranscriptional control

Posttranslational control