Most organisms break down sugar to produce usable energy through the process of
a) diffusion.
b) chemosynthesis.
c) photosynthesis.
d) cellular respiration.

What does all of the organ system in a human form

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.