Some viruses, such as human herpesvirus 1, infect a cell without causing symptoms. These are called
A) latent viruses.
B) lytic viruses.
C) phages.
D) slow viruses.
E) unconventional viruses.
A
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If you wanted to separate cells of a plant tissue sample into individual cells you would need to disrupt _____.
A. middle lamella B. hemidesmosomes C. primary cell walls D. adherens junctions E. plasmodesmata
The electrical difference across a neuronal membrane is measured in
A. joules. B. millivolts. C. newtons. D. milliamperes. E. milliwatts.
A microtubule-organizing center (MTOC)
A) contains centrioles in plant cells. B) serves as a site for both microtubule and intermediate filament assembly. C) anchors either end of cytoplasmic microtubules. D) anchors only the minus ends of cytoplasmic microtubules. E) usually is positioned near the cell membrane.
Which of the following bacteria play a role in abortion in cattle and sheep?
A. Campylobacter fetus subsp. venerealis B. Campylobacter fetus subsp. fetus C. Campylobacter rectus D. Campylobacter concisus