Which of the following may cause reactivation of varicella-zoster virus as shingles?

A) All of these choices are correct
B) Developing malignancy
C) Surgery
D) X-ray treatments
E) Immunosuppressive conditions


A) All of these choices are correct

Biology & Microbiology

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Atoms of a single element that possess different numbers of neutrons are called:

A. isomers. B. polymers. C. ions. D. isotopes. E. monomers.

Biology & Microbiology

Which reaction is most likely to have more products than reactants when it reaches equilibrium?

a. DG = -25 kcal/mol

b. DG = -50 kcal/mol c. DG = -75 kcal/mol d. DG = -100 kcal/mol e. They will all have the same ratio of products to reactants regardless of the DG value.

Biology & Microbiology

Arthritis is a condition in which

a. bones are unusually fragile and break easily. b. the bone marrow does not develop properly. c. there is an inflammation of the joints. d. the epiphyses do not permit growth. e. tendons are stretched.

Biology & Microbiology

Explain the differences between receptor up-regulation and down-regulation including the conditions under which a

cell would use one rather than the other. What will be an ideal response?

Biology & Microbiology