Average size of prokaryotes is:

A. more than two micron
B. less than 2 micron
C. less than 2 milimeter
D. Less than 0.5 micron


Answer: B. less than 2 micron

Biology & Microbiology

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The site at which replication of DNA starts in bacterial cells is known as the ________ of ________.

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

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A Malpighian tubule is a(n) ____

a. rasping tongue with chitinous teeth b. muscular sac used for extending tube feet in echinoderms c. filamentous projection of the mantle d. specialized tube in some arthropods used for waste processing e. abdominal appendage in some arthropods that secretes silk

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Pompe disease is related to the inability to metabolize lactose. Indicate whether the statement is true or false

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Which major class of nutrients is primarily responsible for providing that full feeling after a meal? 

A. carbohydrates B. nucleic acids C. fats D. water

Biology & Microbiology