In the original experiments by Stanley Miller and Harold Urey to synthesize organic molecules in an abiotic environment, which one of the following would you NOT expect to find in the collection flask?
A. adenine
B. ATP
C. formaldehyde
D. urea
E. amino acids
Answer: B
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The core of a virus is a ____ molecule
a. protein b. sugar c. nucleic acid d. fat e. phosphate
What features are typical of plants that are good at performing phytoremediation? a. Grow large b. All of these choices
c. Able to uptake large amounts of contaminants d. None of these choices. e. Grow rapidly
Which method of transport is illustrated here?
a. potocytosis
b. pinocytosis
c. receptor-mediated endocytosis
d. phagocytosis
The induced fit hypothesis states that
A. a single enzyme can adjust its shape to fit with several types of substrate. B. a substrate will adjust its shape to fit the shape of the enzyme. C. an enzyme can adjust itself to a substrate as they come together. D. the enzyme and substrate have no set shape until they unite.