Blood vessels that serve as gateways to capillary beds are ________
A) venules
B) arteries
C) arterioles
D) veins
C
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The ________________ can differentiate into stems, leaves, or flowers.
A. suspensor B. shoot meristem C. basal region D. central region E. root meristem
Shingles is a disease observed mainly in the elderly that is a reactivation of which of the following?
A. herpes B. polio C. chickenpox D. AIDS
What is the underlying reason that a lambda phage would need to switch from the lysogenic state to the lytic state?
A) To have its genome replicated B) To kill its host cell C) To make more of the Cro protein D) To be more efficient in its use of resources E) To escape an endangered host cell
A 38-year-old man had onset of fever, chills, nausea, and myalgia while vacationing on the Gulf of Mexico. On April 29, he had eaten raw oysters and gone wading in the warm coastal waters. On May 2, he was admitted to a hospital because of a fever of 39°C and two circular necrotic lesions on the left leg. He had a history of alcoholic liver disease. He was transferred to the ICU; therapy with
antibiotics was initiated. On May 4, he died. Which of the following is the most likely cause? A) Bacillus cereus B) Cyclospora cayetanensis C) Salmonella typhi D) Vibrio vulnificus E) hepatitis C virus