Cell Signalling and Transduction
Which of the following comes under the category of cell surface receptor?

Ion-channel linked receptors
G protein linked receptors
Enzyme linked receptors
All of these

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Cell Signalling and Transduction
A cell is known to respond to a particular signaling molecule. Which of the following must be true of this cell?

It contains the receptor for the signaling molecule
It is incapable of signal transduction
It is also the site of production for the signaling molecule
It is in the heart muscle

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

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

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