Oral infections with herpes simplex virus 1 can lie dormant in nerve cells for years, and when a patient becomes stressed, the virus is released, forming cold sores on the lips. Where will the virus be while dormant in the nerve cell?
a. Floating in the nerve cell cytoplasm
b. Integrated in the nerve cell chromosomes
c. In the nerve cell membrane
d. Floating outside of the nerve cell, waiting to reinfect it
e. In the blood
Answer: b. Integrated in the nerve cell chromosomes
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The hexameric model of DNA unwinding proposes that:
A. DNA strands are separated prior to helicase binding. B. one dimer is responsible for ATP hydrolysis. C. two dimers rotate the responsibility of ATP hydrolysis. D. three dimers rotate the responsibility of ATP hydrolysis. E. dimer conformational changes drive ATP hydrolysis.
What nucleoside trisphosphate provides energy for lipid synthesis?
A. UTP B. CTP C. GTP D. TTP
Archaeal membranes contain which of the following lipids?
A. Glycolipids B. Sulfolipids C. Phospholipids D. All of the choices are correct.
De-germing is best described as
What will be an ideal response?