All Eukaryotes Have a Membrane-Delimited Nucleus

question 58

True/False

All eukaryotes have a membrane-delimited nucleus.

---

Definitions:

Repressor

A protein that binds to specific DNA sequences, preventing or reducing the transcription of certain genes.

Allosteric Site

A region on an enzyme that is distinct from the active site and can bind regulatory molecules to change the enzyme's activity.

cAMP

Cyclic adenosine monophosphate, a second messenger important in many biological processes.

Lac Operon

A gene regulatory system found in bacteria and some other organisms that regulates the metabolism of lactose, involving an operon required for the transport and metabolism of lactose.