What are the building blocks of proteins?
A) Fatty acids
B) Amino acids
C) Diglycerides
D) Nucleotides
Answer: B
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The cavity of the kidney that receives urine from the calyces is called the
A) renal papilla. B) renal pelvis. C) renal medulla. D) renal cortex. E) renal sinus.
The reproductive system includes all of the following except
A) gonads and external genitalia. B) ducts that receive and transport the gametes. C) accessory glands and organs that secrete fluids. D) organs for copulation. E) glands and organs that produce and store urine.
The amount of Na+ excreted depends on the amount of Na+ ____________________ minus the amount of Na+ ____________________
Fill in the blank(s) with correct word
Which of the following is an example of static equilibrium?
A) riding in an elevator B) sitting in a movie theater to watch a film C) spinning on a merry-go-round at the park D) riding in a car