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TLS Online TPP Program

#Id: 2306

Initiation elongation complex forms at 10 bases, mayloses sigma, and loses contacts from -35 to -55.


#Unit 3. Fundamental Processes #Eukaryotic transcription factors and machinery #Part B Pointers
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TLS Online TPP Program

#Id: 9079

#Unit 4. Cell Communication and Cell Signaling

Muscarinic acetylcholine receptors coupled to a Gαi protein & found in cardiac muscles. 
TLS Online TPP Program

#Id: 9080

#Unit 4. Cell Communication and Cell Signaling

Binding of acetylcholine triggers the opening of an associated K+ channel  in the plasma membrane via the Gβγ subunit of a Gi protein
TLS Online TPP Program

#Id: 9081

#Unit 4. Cell Communication and Cell Signaling

The increase in K+ permeability hyperpolarizes the membrane, which reduces the frequency of heart muscle contraction.
TLS Online TPP Program

#Id: 9082

#Unit 4. Cell Communication and Cell Signaling
TLS Online TPP Program

#Id: 9083

#Unit 4. Cell Communication and Cell Signaling

Cholera toxin, secreted by Vibrio cholerae in the intestine of an infected person, is a heterodimeric protein (AB). 
TLS Online TPP Program

#Id: 9084

#Unit 4. Cell Communication and Cell Signaling