# 1pilihanWhat is the main function of the plasma membrane?To provide energy to the cellTo control substances entering and leaving the cellTo produce proteinsTo store genetic material
# 2pilihanWhich of the following processes requires energy (ATP)?DiffusionOsmosisFacilitated diffusionActive transport
# 3pilihanWhat is the movement of water molecules across a partially permeable membrane called?DiffusionActive transportOsmosisEndocytosis
# 4pilihanDiffusion occurs when molecules move from:A low concentration to a high concentrationA high concentration to a low concentrationAn area of equal concentration to another equal concentrationInside the cell to the nucleus