★ The Chemistry of Microbiology Quiz
DNA and RNA are composed of a sugar, a phosphate, and a nitrogenous base. What is the nitrogenous base found in RNA but not in DNA?
A. uramine
B. thymine
C. adenine
D. uracil
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Some microorganisms can carry out photosynthesis in order to make their own food; however, these reactions require energy input from the sun. What type of reaction is this?
A. hyperthermic
B. hypothermic
C. endothermic
D. exothermic
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