A reason or reasons given by scientists as to why viruses are not considered living organisms include:

a. Viruses do not contain genetic information
b. Viruses do not reproduce on their own
c. Viruses are all smaller than the smallest known cells
d. Viruses do not contain a nucleus
e. Viruses can be frozen and still survive


b. Viruses do not reproduce on their own

Biology & Microbiology

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The disinfecting properties of Lysol, a common household disinfectant, depend upon the presence of ________.

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

Biology & Microbiology

Philodendron flowers pass electrons through an electron transport chain to generate heat. What are the sources of these electrons?

A. oxygen and water B. water and ATP C. NADH and FADH2 D. sunlight and FADH2 E. ATP and NADPH

Biology & Microbiology

A human male has engaged in sexual activity. Did he use his sympathetic or parasympathetic nervous system? Explain

your answer. What will be an ideal response?

Biology & Microbiology

As the trees in England become less sooty due to

pollution controls on factories, which of the moths in the figure above would have been selected against? a. A b. B c. C d. D e. all of these

Biology & Microbiology