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Enzyme regulation

Enzyme regulation

(Science: biochemistry) control of the rate of a reaction catalyzed by an enzyme by some effector (e.g., inhibitors or activators) or by alteration of some condition (e.g., ph or ionic strength).


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Positive & Negative Feedback

... feedback - either positive or negative - is exerted through allosteric regulation of an enzyme.

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by MrMistery
Wed Jul 02, 2008 5:47 pm
 
Forum: General Discussion
Topic: Positive & Negative Feedback
Replies: 6
Views: 15277

virology

... genome, and replicate via a DNA intermediate. Retroviruses rely on the enzyme reverse transcriptase to perform the reverse transcription of its ... generation of cells that escape a cell mediated immune response, down regulation of MHC production in infected cells so they are unable to recognized ...

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by rabia
Tue May 06, 2008 7:32 pm
 
Forum: Microbiology
Topic: virology
Replies: 3
Views: 1560

Plasmid Editing

... so I’m left with the only the desired gene. I assume restriction sali enzyme is used. now how do I re connect them with another plasmid containing one sali site for the desired regulation I assume ill cut the plasmid on the sali site but how to join the two? :shock:

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by mehdi71000
Wed Jun 27, 2007 12:05 am
 
Forum: Cell Biology
Topic: Plasmid Editing
Replies: 3
Views: 736

Need a little help tackling some questions(GRD 12 BIO)

... more about the evolution part. You got most of it. 3 ways the lipase enzyme dont work. 1. gene mutated at the DNA level 2. The 3D folding of the ... ( happens a lot for these enzymes). 3. if u want to talk about gene regulation, then there could be a problem with the biochemical pathway that ...

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by david23
Fri Jun 01, 2007 4:08 pm
 
Forum: General Discussion
Topic: Need a little help tackling some questions(GRD 12 BIO)
Replies: 1
Views: 1262

Need a little help tackling some questions(GRD 12 BIO)

... fails to make enough of a regulatory protein that turns off a lipase enzyme in her muscles and adipose cells. Explain how a normal person would ... (This one will be Molecular genetics (transcription, translation, gene regulation) and the biochemistry unit (protein form and function).) Q.4 Testosterone, ...

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by cangiz44
Fri Jun 01, 2007 3:23 am
 
Forum: General Discussion
Topic: Need a little help tackling some questions(GRD 12 BIO)
Replies: 1
Views: 1262
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