Question

Which type of protein, embedded in the plasma membrane, aids reactions of molecules that arrive?

Answer 1

The correct answer is C

The plasma membrane is a structure that protects the cell and it's made out of a lipid bi-layer, sugars and proteins. The proteins of the plasma membrane have many functions, some of them are structural, some carry out the cell transport of important molecules and some of them help the cell reactions and are called membrane enzymes . Enzymes are proteins that are capable to speed up a chemical reaction acting as catalysts.

Answer 2

I think the third one enzymes