Which of the following is true about the products formed during photosynthesis? (5 points) a They have the same mass as the mass of reactants. b They are the same set of compounds as the reactants. c They have more mass than the mass of reactants. d They are chemically the same as the reactants.

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.