________ is the most abundant greenhouse gas.

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


CO2

Carbon dioxide is the most abundant greenhouse gas.

Biology & Microbiology

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Transmembrane proteins can span the lipid bilayer as

a. alpha-helices. b. beta-barrels. c. Both a and b d. None of the above

Biology & Microbiology

Which of the following structures is/are used by prokaryotes for attaching to surfaces?

A) flagella B) nucleoid C) anchoring junctions D) capsule

Biology & Microbiology

Cilia are found in certain

A. bacteria. B. protozoa. C. algae. D. fungi. E. All of these choices are correct.

Biology & Microbiology

Strobili are

a. gametangia. b. cone-shaped spore sacs. c. homospores. d. underground stems. e. horizontal stems.

Biology & Microbiology