Endocytosis and exocytosis are forms of active transport. What is active transport?
(1 point)
the movement of molecules up a concentration gradient from low to
high, using no energy
the movement of molecules down a concentration gradient from
high to low, using energy
the movement of molecules down a concentration gradient from
high to low, using no energy
the movement of molecules up a concentration gradient from low to
high, using energy

Respuesta :

Answer:
D: the movement of particles from low to high concentration, using energy in the form of ATP.

This is because active transport uses ATP to move substances against the concentration gradient in an organism.