If a prodromal period exists for a certain disease, it should occur prior to
A) incubation.
B) illness.
C) decline.
D) convalescence.
B
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Which of the following damaged templates encountered by a replication fork is repaired by double-strand break repair?
A. The replication fork encounters a lesion and translesion synthesis occurs. B. The replication fork encounters a lesion and stalls. C. The replication fork encounters a lesion and bypasses it, restarting synthesis on the other side of the lesion. D. The replication fork encounters a lesion at which repair has been initiated and the fork collapses. E. The replication fork encounters heteroduplex DNA.
Which of the following mediators would not be categorized as a cytokine?
A. A protein that is released by a bacterial cell following phagocytosis B. A protein that stimulates hematopoiesis C. A protein that regulates adaptive immunity D. A protein that regulates innate resistance mechanisms
Which of the following are arranged in the sequence in which the various taxa first appeared in time?
A. bacteria, protists, liverworts, lycophytes, streptophytes, angiosperms, gnetophytes. B. prokaryotes, protists, mosses, streptophytes, conifers, ferns, angiosperms. C. bacteria, streptophytes, protists, mosses, angiosperms, cycads. D. protists, prokaryotes, streptophytes, ferns, mosses, angiosperms, conifers. E. prokaryotes, protists, streptophytes, mosses, ferns, conifers, angiosperms.
Which function of the skeleton do the rib cage, vertebral column, and skull provide?
A. produce blood cells B. store minerals and fats C. support the body D. protect soft body parts E. permit flexible body movement