What are the many differences between photosynthesis and cellular respiration help

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Which of these parts of the membrane large moecules pass through it ?