When an animal starts breaking down body fat to compensate for a caloric deficiency in its diet, are released into the bloodstream.
a. ketones
b. monosaccharides
c. polysacchaides
d. amino acids

Which of the following is an oxidation-reduction reaction? (pictured below)

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan