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CLEP Biology Practice Test
Multiple Choice
CLEP Biology
Multiple Choice Practice Test
Question 1 of 3
39% Get this Question Right
G protein receptors have
A
5 transmembrane ß helices
B
5 transmembrane a helices
C
7 transmembrane a helices
D
7 transmembrane ß helices
E
6 transmembrane a helices
G protein receptors have 7 transmembrane a helices that traverse the plasma membrane and are connected by loops of varying length. The carboxy-terminus is located inside the cell and the amino terminus of the receptor is located outside the cell.
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