Cell Signalling and Transduction
In paracrine signaling, the signaling molecules affects only

None of these
target cells distant from its site of synthesis in cells of an endocrine organ
target cells close to the cell from which it was secreted
both (a) and (b)

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Cell Signalling and Transduction
Which of the following is true about a hydrophilic signaling molecule?

Its receptor is located in the cytosol of the target cell
Since it can enter the cell, it directly affects some specific cell process
It might trigger a signal cascade that causes some effect in a cell
It is a steroid

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