The antibody-mediated immune response is most effective against ____
a. cancer cells
b. viral infected cells
c. bacteria circulating in the blood
d. normal flora
e. "self" cells
ANSWER: c
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Genes that encoded for polymerases, gyrases, ribosomal proteins, and other proteins essential to replication, transcription, and translation are present on
A) chromosomes. B) plasmids. C) chromosomes and plasmids. D) neither chromosomes nor plasmids.
Messenger RNA molecules that direct the synthesis of more than one polypeptide are said to be ________.
Fill in the blank(s) with the appropriate word(s).
The domination of the flowering plants over
the past 100 million years appear to be their coevolution with
a. dinosaurs. b. gymnosperms. c. insects. d. mammals. e. humans
For translation to take place, which of the following does NOT need to be present?
A. ribosome B. DNA C. rRNA D. mRNA E. tRNA-amino acid complex