Entry of a virus into the lytic cycle after lysogeny has been established is called ________.
A. lysogenic reversion
B. induction
C. lysogenic conversion
D. None of the choices are correct.
Answer: B
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The descending arm of the loop of Henle is permeable to ____ but impermeable to ____
a. water; potassium ions b. water; sodium ions c. sodium ions; water d. potassium ions; water e. all choices are incorrect
Which of the following is physically the largest?
A. HIV B. RNA molecule C. E. coli cell D. Human T cell
Which gland is associated with seasonal biorhythms?
A. Pineal B. Parathyroid C. Thymus D. Pituitary E. Thymus
All of the following pertain to pinworm infections EXCEPT
A) transmission is typically by contact with fomites or inhalation of eggs. B) diagnosis is by detecting eggs on transparent tape pressed to the perianal area. C) all family members living with the patient must also be treated. D) it is most commonly transmitted by cysts in water. E) it is a helminth disease.