Mature B and T cells are found mostly in the ____
a. bone marrow
b. thymus
c. interstitial fluid
d. blood
e. lymphatic system structures
ANSWER: e
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Aerobic secondary treatment is usually best for ________ wastewater
A) industrial B) agricultural C) residential D) chemical
In the collecting ducts of the kidney, antidiuretic hormone promotes water conservation by increasing the levels of
A. aquaporins. B. G-protein coupled receptors. C. vasopressin. D. Na+/K+ ATPase. E. Na+/glucose symporters.
Which of the following is the best hypothesis for the honeybee study?
a. Honeybees navigate using the sun. b. Patients undergoing anesthesia during surgery are often disoriented when they awaken. c. Isoflurane interferes with the functioning of an organism’s biological clock. d. Both mammals and honeybees have biological clocks that are similar in function.
The __________ fungi rely on extracellular digestion
and absorption of energy-rich substances from living organisms. a. chemosynthetic b. saprobic c. parasitic d. plasmodial e. autotrophic