Dictionary » F » Facultative gene

Facultative gene

Definition

noun, plural: facultative genes

(1) A gene transcribed only when needed or when a cell receives a signal from its surroundings.

(2) A gene whose expression is influenced by environmental factors.


Supplement

Unlike constitutive gene, a facultative gene is not transcribed continually but only when needed.


Compare: constitutive gene.
See also: gene expression.


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HELP ME PLEASE ......!!

... ? A a. It involves glycolysis only b. it involves the Krebs cycle c. It generates NADH and FADH d. it generates ATP e. It requires cytochromes 4. ... in the presence of oxygen? B a. strict aerobe b. strict anarobe c. facultative anaerobe d. aerotolerant anarobe e. microaerophille 25. which ...

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by BCH04
Mon Jun 18, 2007 4:15 pm
 
Forum: General Discussion
Topic: HELP ME PLEASE ......!!
Replies: 12
Views: 36664

HELP ME PLEASE ......!!

... ? A a. It involves glycolysis only b. it involves the Krebs cycle c. It generates NADH and FADH d. it generates ATP e. It requires cytochromes 4. ... in the presence of oxygen? B a. strict aerobe b. strict anarobe c. facultative anaerobe d. aerotolerant anarobe e. microaerophille 25. which ...

See entire post
by blcr11
Mon Jun 18, 2007 1:58 pm
 
Forum: General Discussion
Topic: HELP ME PLEASE ......!!
Replies: 12
Views: 36664

HELP ME PLEASE ......!!

... ? a. It involves glycolysis only b. it involves the Krebs cycle c. It generates NADH and FADH d. it generates ATP e. It requires cytochromes 4. ... killed in the presence of oxygen? a. strict aerobe b. strict anarobe c. facultative anaerobe d. aerotolerant anarobe e. microaerophille 25. which ...

See entire post
by BCH04
Sun Jun 17, 2007 6:41 pm
 
Forum: General Discussion
Topic: HELP ME PLEASE ......!!
Replies: 12
Views: 36664


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