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Regulatory T cell

Definition

noun

A type of T cell that function by suppressing the activation of immune system. Their regulatory effect maintains the immune system homeostasis.


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cAMP 2nd Messenger Pathway and Experiments

... are indicated after each question A through E by the ---. A mutant cell line is obtained. The cell line is thought to not have adenylyl cyclase ... agonist affinity for the hormone receptor. It interacts with GTP regulatory site to prohibit the GDP from binding. If ATP or GTP were eliminated ...

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by mkay28
Tue Sep 24, 2013 10:43 pm
 
Forum: Cell Biology
Topic: cAMP 2nd Messenger Pathway and Experiments
Replies: 2
Views: 2133

Re: Theories - Origin of Life

... corresponding to a unit of inheritance, which is associated with regulatory regions, transcribed regions, and or other functional sequence ... that produces a function. Now the gene codes for amino acids that the cell needs to use. (we are not even going to discuss how this coding sequence ...

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by scottie
Thu Sep 13, 2012 11:43 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907200

Theories - Origin of Life

... actually aren’t possible. We know the nucleus of each differentiated cell appears to possess an epigenetic mechanism. Do you mean, “we know that ... the expression of other proteins. This means that a mutation in a regulatory protein will also affect the expression of the proteins it controls. ...

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by AstraSequi
Tue Mar 27, 2012 2:41 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907200

Re: Theories - Origin of Life

... resistance as examples of beneficial mutations. I brought up sickle cell anemia as an interesting example of how the term beneficial can be relative. ... fixation through genetic drift. A mutation in the fetal hemoglobin's regulatory sequences can cause this hemoglobin to be produced throughout ...

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by scottie
Tue Mar 20, 2012 2:22 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907200

what is the difference between promoter and enhancer

... complex and it also contains the RNA polymerase binding and regulatory sites necessary for transcription to happen. They usually have ... even though transcription factors are shared among genes within the cell. Enhancer DNA sequences bind transcription factors with special protein ...

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by genetherapy
Wed Mar 14, 2012 4:22 pm
 
Forum: Molecular Biology
Topic: what is the difference between promoter and enhancer
Replies: 3
Views: 5117
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