Polymerization reactions in which polysaccharides are synthesized from monosaccharides or proteins are synthesized from amino acids:
a. result in the formation of water.
b. are hydrolysis reactions.
c. release energy.
d. result in the formation of covalent bonds between monomers called peptide bonds.
e. all of the above.

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water