What does phosphorylation do to a molecule?
a. it adds a phosphate group.
b. it adds a phosphorus molecule.
c. it removes a phosphate group.
d. it converts it to phosphate.

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.

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

The term equestrian relates to which animal? bulls cows horses pigs