. Coliforms are
A. Gram-negative.
B. rod-shaped.
C. non-spore forming.
D. lactose-fermenting with acid and gas formation.
E. All of the choices are correct.
E.
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Comparatively greater energy is released when
A. carbon dioxide is the final electron acceptor. B. hydrogen is the final electron acceptor. C. nitrate is the final electron acceptor. D. oxygen is the final electron acceptor.
Epinephrine raises blood pressure by ____
a. increasing the strength and rate of the heartbeat b. decreasing the strength and rate of the heartbeat c. stimulating vasodilation d. reducing vasodilation e. decreasing blood flow to the heart, skeletal muscles, and lungs
Ducts from the pancreas enter the
a. stomach. b. colon. c. duodenum. d. jejunum. e. ileum.
What is the part of the kidney where urine is formed?
A) The nephron B) The ureter C) The liver D) The blood vessels