What happens in the transduction phase of cell signaling when protein signal mol

Question

What happens in the transduction phase of cell signaling when protein signal molecules are present?

A) Signal molecules induce a change in membrane proteins that activates other proteins within the cell.

B) A cell reacts to the message from signal molecules by initiating changes in shape, activity, or behavior.

C) Specialized cell surface proteins bind to specific protein signal molecules outside the cell.

D) Protein signal molecules outside the cell diffuse through the phospholipids in the cell membrane.

Explanation / Answer

Option C is correct Specialized cell surface protein bind to specific protein signal molecule outside the cell.When subtrate is protein in nature its need specific receptor because cell membrane is made up of phospholipid which not allowed to pass protein molecule thats why its need specific receptor and secondry messenger .

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