The water table is the a. zone of aeration. b. upper boundary of the zone of saturation. c. aquifer. d. lower boundary of the zone of saturation.

Bio molecules are essential to all living things. which biomolecule is “d” from the table

Question 1 which of the following allows cells to take in fluids? a. phagocytosis b. pinocytosis c. exocytosis d. receptor-mediated endocytosis question 2 molecules move along their concentration gradient (from areas of high concentration to low concentration) using active transport mechanisms. a. true b. false question 3 which of the following powers active transport (ie. provides the energy for)? a. glucose b. transport proteins c. atp d. phospholipids question 4 what type of lipid is a major component of the plasma membrane? a. cholesterol b. phosopholipids c. proteins d. triglycerides

Which pair of chromosomes determines sex in humans? a.15th b.1st c.23rd