The primary component of blood is
A. protein.
B. white blood cells.
C. water.
D. salts.
C. water.
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An animal that does NOT maintain a relatively constant internal water concentration as the osmolarity of its environment varies is termed an
A. osmoconformer. B. osmoregulator. C. isoconformer. D. isoregulator. E. hydroconformer.
Enzymes that catalyze the removal of electrons from one substrate and the addition of electrons to another are called ________.
A. lyases B. ligases C. isomerases D. transferases E. oxidoreductases
The liver functions to do all of the following EXCEPT
a. produce bile. b. remove toxins ingested in food. c. inactivate hormones. d. process nutrients into required substances. e. produce glucagon.
miRNAs, tRNAs, and rRNAs all _____________
(a) do not code for proteins. (b) act in the nucleus. (c) are packaged with other proteins to form RISC. (d) form base pairs with mRNA molecules.