Electrons are ejected from atoms in cells when organisms are exposed to ________.

A. desiccation
B. ultraviolet light
C. hydrogen peroxide
D. ethyl alcohol
E. gamma rays and X rays


Answer: E

Biology & Microbiology

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Why is there very little physical evidence of life from rocks of the Archaean eon?

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)

A. Streptomyces B. Bacillus C. Clostridium D. Toxoplasma E. Penicillium F. Cephalosporium

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