A flexible, spiral-shaped bacterium is called a

A. spirochete.
B. vibrio.
C. coccobacillus.
D. spirillum.
E. sarcina.


Answer: A

Biology & Microbiology

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A two-point testcross is a cross between

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A therapeutic approach that tries to get a person's own immune system more involved in the fight against malignant cells is called ________.

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Cyanobacteria are prokaryotes that carry out oxygenic photosynthesis like green plants; this means that ________.

A. they have two distinct photosystems B. they produce oxygen as a by-product of photosynthesis C. they use water as their electron source D. All of the choices are correct.

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Which type of cell would have the hardest time exporting waste?

A. long and wide B. large and round C. irregular and long D. smooth and cuboidal

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