Small polar and charged molecules typically cross the cell membrane by way of ____

a. simple diffusion
b. osmosis
c. filtration
d. active transport
e. facilitated diffusion


E

Biology & Microbiology

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DNA stores the information needed for the synthesis of cellular _______

A. proteins B. carbohydrates C. lipids

Biology & Microbiology

While all are found which type of life cycle is most common among protists?

1.Haploid-dominant cycle; the zygote is the only diploid cell. 2.Diploid dominant cycle; gametes are the only haploid cells. 3.Alternation of generations; multicelled haploid and diploid stages.

Biology & Microbiology

The systemic circuit delivers ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Acetylcholine is an amino acid.

a. true b. false

Biology & Microbiology