All protists possess

a. multiple, circular chromosomes.
b. mitochondria.
c. microtubules and microfilaments.
d. chloroplasts.
e. cell walls.


C

Biology & Microbiology

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Which one of the following controls drives, instincts, and emotion?

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Which of the following is not an extraembryonic membrane?

a. yolk sac b. somite c. chorion d. amnion e. allantois

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The ________ is involved in Page 62the movement of a prokaryotic cell.

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Choose the answer that fills in the blanks of this sentence in the correct order. Most protozoa have a motile, feeding stage known as a(n) _____ which, in some protozoa, alternates with a resting state known as a(n) _____.

A) Cyst; trophozoite B) Trophozoite; spore C) Trophozoite; cyst D) Spore; trophozoite

Biology & Microbiology