Study the following food chain grass rabbits snakes hawks from this chain you can assume that each population

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?