4.
according to the cell theory, cells come from

photosynthesis

spontaneous generation

cellular respiration

other living cells
5.
somatic stem cells are extracted from developed organs.

true

false

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.

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above