The building blocks of DNA are called
A. acids.
B. proteins.
C. bases.
D. nucleotides.
Answer: D
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The first kind of leukocyte lured to the site of inflammation is the
A. neutrophil. B. monocyte. C. macrophage. D. basophil.
An organism that obtains its carbon from CO2 is a(n) ____
a. autotroph b. auxotroph c. heterotroph d. chemotroph e. photoheterotroph
In the cotransport of glucose and sodium ions:a
glucose molecules are transported down their concentration gradient. b. sodium ions are transported down their concentration gradient. c. the transport of glucose powers the transport of sodium. d. ATP causes a conformational change in the carrier protein. e. an antiport carrier protein is involved
In a process called ________, one female oocyte matures in the ovary and is released each month.
Fill in the blank(s) with the appropriate word(s).