During DNA replication, each new strand begins with a short
A. RNA primer.
B. lipid primer.
C. amino acid primer.
D. DNA primer.
E. hydrophilic primer.
Answer: A
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What portion of an amino acid must be removed before it can be used in glucose catabolism?
a. phosphate group b. acetaldehyde group c. amino group d. carboxyl group
A plant systematist studies the physiological systems of plants
Indicate whether the statement is true or false.
Hydrogenation is a chemical process that
a. turns liquid oil to solid fats. b. turns amino acids into proteins. c. turns DNA into lipids. d. creates stable alternative energy sources. e. does none of these.
Which of the following is NOT a characteristic of both DNA and RNA polymerases?
A) directionality of synthesis B) energy is provided by pyrophosphate C) hydrogen bonding of complementary nucleotides D) requirement for an initiation signal E) requirement for a primer