« previous next »

Author Question: If a particular operon encodes enzymes for making an essential amino acid and is (Read 591 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jun 29, 2013
If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then
A) the amino acid inactivates the repressor.
B) the enzymes produced are called inducible enzymes.
C) the repressor is active in the absence of the amino acid.
D) the amino acid acts as a corepressor.
E) the amino acid turns on transcription of the operon.


Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #1 on: Jul 1, 2013
I'd go with D. It makes sense.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

aero

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Jul 23, 2013
Thanks Hawke :D


« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Species-rich floras of chalk grassland compared to species-poor floras of acid soils. Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
Correspondence of DNA and amino acid sequences Correspondence of DNA and amino acid sequences
Lac Operon Lac Operon
Replace the canister’s top (making sure it is tight) and connect its hose to the fuel rail ... Replace the canister’s top (making sure it is tight) and connect its hose to the fuel rail ...
repressible operon. repressible operon.
Sprinting, running and lactic acid fermenation Sprinting, running and lactic acid fermenation
Video: The Lagging Strand in DNA Replication and Replication in Action

For a complete list of videos, visit our video library