Cell Molecular Biology For the following descriptions, identify the type of rece

Question

Cell Molecular Biology

For the following descriptions, identify the type of receptor signaling that is being described. Use surface receptor, internal receptor, both or neither.

_____________________- is likely to utilize G proteins or lipid based signaling

_____________________- is always rather slow to see the effects

_____________________- receptor binds to a signaling molecule

_____________________- receptor bind to signal molecule and together directly affect transcription

_____________________- uses a hydrophobic signaling ligand

Explanation / Answer

1. -likely to utilize G proteins or lipid based signaling: GPCR which are cell surface receptor

2. is always rather slow to see the effects: ex enzyme linked receptors and need intracellular receptor for completion of the signalling.

3.receptor binds to a signaling molecule : both internal and surface receptoers.

4.receptor bind to signal molecule and together directly affect transcription: cell surface receptors and coupled with internal receptor. ex. MAPK cascade by G protein coupled rwcptor.

5. uses a hydrophobic signaling ligand- none as they can easily diffuse through plaska membrane.

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