CBSE Class 9 Answered
can u help me pls........................
Asked by topperswati | 17 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 | 19 Nov, 2009, 01:20: PM
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