The building blocks of DNA are called

A. acids.
B. proteins.
C. bases.
D. nucleotides.


Answer: D

Biology & Microbiology

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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.

Biology & Microbiology

An organism that obtains its carbon from CO2 is a(n) ____

a. autotroph b. auxotroph c. heterotroph d. chemotroph e. photoheterotroph

Biology & Microbiology

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

Biology & Microbiology

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).

Biology & Microbiology