How are Gram-positive and Gram-negative flagella different?
a. Flagella are only found in Gram-negative bacteria.
b. A Gram-positive flagellum has only two rings in its basal body; Gram-negatives each have four.
c. A Gram-positive flagellum does not have a membrane covering its filament; A Gram-negative flagellum does.
d. Each Gram-positive flagellum contains a hook; gram-negatives do not.
Answer: b. A Gram-positive flagellum has only two rings in its basal body; Gram-negatives each have four.
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Sexual reproduction _____
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