A persistent infection is one in which
A) the virus remains in equilibrium with the host without causing a disease.
B) viral replication is unusually slow.
C) the disease process occurs gradually over a long period.
D) host cells are gradually lysed.
E) host cells are transformed.
C
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In which respect do spermatogenesis and oogenesis differ?
A) Spermatogenesis occurs in the epididymis, whereas oogenesis occurs in the ovary. B) The number of gametes produced is different. C) The number of meiotic divisions is different. D) The number of chromosomes in gametes is different.
The regulatory systems of the animal body maintain a relatively stable internal condition through a process called ________.
A. countercurrent exchange B. equilibrium C. homeostasis D. osmoreception E. absorption
The ability to stain protein molecules with a fluorescent dye would most clearly allow researchers to go beyond what they could previously detect with a microscope by allowing them to
A) detect ribosome activity. B) detect when DNA is replicating. C) distinguish a prokaryote from a eukaryote. D) determine whether a cell had cilia or flagella.
During photosynthesis, solar energy is converted to
What will be an ideal response?