Answer:
This observation is True
Explanation:
Membrane integral proteins can function as ion channels during the transport of molecules through the membrane. Moreover, integral proteins can also act as pores for the transport of specific molecules between both sides of the membrane, ion channels that mediate effector signals, signaling transduction mechanisms capable of amplifying cellular responses and hormone receptors.
It would change too because the reaction is based on the enzyme.
C.Natural Selection would be the answer