There are three regions of the kidney; the outermost region is known as the ________.
a. renal artery
b. nephron
c. renal columns
d. renal cortex
e. afferent arteriole
renal cortex
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________ are blood vessels that carry blood toward the heart.
Fill in the blank(s) with the appropriate word(s).
Which of the following would be classified as a lipid?
A. Starch - a polysaccharide B. Alanine - an amino acid C. Cholesterol - a steroid D. Sucrose - a disaccharide E. Catalase - an enzyme
Which of the following is NOT true of involuntary reflex responses?
A. They involve fewer neurons than voluntary responses. B. They occur more slowly than voluntary responses. C. They require the stimulation of specific receptors. D. They do not require input from the cerebral cortex. E. They require the transmission of nerve impulses.
Where does a protein usually go immediately after being formed?
A. To the Golgi complex B. To a mitochondrion C. Out of the cell D. To a ribosome