What are 3 functions of membrane proteins?

The membrane's 3 crucial functions are:

I hope this helps in some way! :D

the answer is b)3/8x+1

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !