can u help me pls........................

Asked by topperswati | 17th Nov, 2009, 09:43: PM

Expert Answer:

It is a basic process in molecular cell biology involving the conversion of a signal from outside the cell to a functional change within the cell. It refers to the biochemical events that conduct the signal of a hormone or growth factor from the cell exterior, through the cell membrane, and into the cytoplasm. This involves a number of molecules, including receptors, ligands and messengers.

Answered by  | 19th Nov, 2009, 01:20: PM

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