The basic structure of a virus contains:

a. a nucleic acid
b. a cell wall
c. a protein coat
d. both choice 1 and 2
e. both choice 1 and 3


Ans: e. both choice 1 and 3

Biology & Microbiology

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A skeleton that relies on muscular force exerted against water is termed

A. a hydrostatic skeleton. B. an endoskeleton. C. an exoskeleton. D. an ectoskeleton. E. a hygroscopic skeleton.

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Which type of reaction will convert molecules with low energy into ones with high energy? a. Entropy b. None of these choices

c. Exergonic d. Endergonic e. Kinetic

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Most of the filtrate is reabsorbed through the walls of the:a

distal convoluted tubule. b. loop of Henle. c. proximal convoluted tubule. d. collecting duct. e. glomerulus.

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The number of extinctions of birds and mammals has gone up as human populations have increased.

Answer the following statement true (T) or false (F)

Biology & Microbiology