Answers.com > Wiki Answers > Categories > Science > Biology > What are the three components of an operon and there roles?

What are the three components of an operon and there roles?

In: Biology [Edit categories]

Answer:

Holy crud, are you in AP Biology too?

Anyway... take the trp operon, for instance. Its components are...

Five Structural Genes:
- These genes contain the genetic code for the five enzymes in the Trp synthesis pathway
One Promoter:
- DNA segment where RNA polymerase binds and starts transcription
One Operator:
- DNA segment found between the promoter and structural genes. It determines if transcription will take place. If the operator is turned "on", transcription will occur.

First answer by ID1286185442. Last edit by ID1286185442. Question popularity: 1 [recommend question].

[report abuse]

Can you answer these Biology questions?

	Is evolution a characteristic of living thing?	Answer it!
	How much do you have to eat before your stomach bursts?	Answer it!
	How does an ion pump work as a form of active transport What is it used for?	Answer it!
	What happens during elongation?	Answer it!
	What are the types of lobsters?	Answer it!

What are the three components of a nucleotide?
A nucleotide consists of a phosphate group bonded to the number five carbon of a sugar and a nitrogenous base.
Three components of a fire?
Oxygen, Heat, Fuel.
What are the three components of the human brain?
Prosencephlon (Forebrain), Mesencephalon (midbrain), and Rhombencephalon (hindbrain). The components of the forebrain include: Cerebral Cortex, Olfactory bulb, Thalamus, and Hypothalamus. The...
What are the three components of science?
biology technology chemistry
What are the three component parts of a fire?
The three components are: 1. An energy source, often heat from friction (a spark). 2. Fuel, may be in the form of Gasoline or wood. 3. A reactive substance, usually oxygen (another example is...