Which of the following is NOT true of
euglenoids?
a. Many move by pseudopods.
b. Many contain chloroplasts.
c. Many absorb nutrients from their
environment in a heterotrophic manner.
d. Their cell body is surrounded by a pellicle.
e. They use a contractile vacuole to maintain
water balance
A
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Laboratory diagnosis of HIV infection is usually made by which of the following?
A) electron microscopy B) growth of HIV in cell culture C) growth of HIV in embryonated chicken eggs D) immunodiagnostic procedures for the detection of antigen and antibodies
Which of the following has shown some effectiveness in treating a herpes infection?
A. AZT B. Protease inhibitors C. Acyclovir D. Cephalosporin
Body weight must be a multifactorial trait because
A) it is obviously inherited. B) it responds to lifestyle changes. C) it is within a certain range. D) it is inherited to an extent, but can be altered by diet and/or exercise.
Where are a mollusk’s gills located?
a. within the visceral mass b. under the foot c. in the mantle cavity d. surrounding the radula