Cell Signalling and Transduction
Self-phosphorylation is an excellent mechanism for triggering specific catalytic function of the proteins involved in signal cascades because it

None of these
makes the receptor more likely to capture the signaling, molecule
changes the shape and thus the enzymatic activity of the proteins involved
allows hydrophilic signaling molecules to cross the plasma membrane

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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
It is a steroid
Its receptor is located in the cytosol of the target cell
Since it can enter the cell, it directly affects some specific cell process

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