Molecules are evenly spread throughout a space a. Equilibrium
c. Osmosis
b. Homeostasis
d. Concentration gradient

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Why is it to call the calvin cycle the light independent reactions vs the dark reactions