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g (1)
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G&AE
G clef
g’day
G-force
G-man
G protein
G protein disease
G-spot
G-string
G-suit
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G5
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G protein
G protein (plural G proteins)


noun 
Definition:
 
cell messenger: a substance that carries information from receptors on the cell membrane to effectors within the cell
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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