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1- Which following is not a characteristic of a G-protein?

1- Which following is not a characteristic of a G-protein?

a- trimeric protein complex

b- possess GTPase activity

c- activated by contact with a 7-pass transmembrane receptor molecule

d- activation leads to dissociation

e- possess an ATP binding domain


2- Binding of a signaling molecule to its receptor is mediated by:

a- covalent bond

b- hydrogen bond

c- hydrophobic bond

d- all of the above

e- b and c are correct


3- Asymmetric distribution of transport proteins with a plasma membrane allows for:

a- selective transport of substances across a tissue layer

b- variable properties of membranes from one region to another

c- more efficient use for ATP for ion transport

d- A and B correct

e- all of the above

Top Answer

e- possess an ATP binding... View the full answer

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Answer : e - possess an ATP binding domain G-protein is also known as guanine nucleotide binding protein. It is a... View the full answer

Question: 1- Which following is not a characteristic of a G-protein? e- possess an ATP... View the full answer

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