What distinguishing feature characterizes aerobic and anaerobic respiration but does not play a role in fermentation pathways?

A. Oxidation-reduction reactions
B. The presence of an electron transport chain
C. Hydrolysis reactions
D. The absence of O2


Answer: B

Biology & Microbiology

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The intermediate host for a blood fluke is a:

a. human. b. cow. c. dog. d. cat.

e. snail.

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Which of the following statements regarding the lymphatic system is FALSE?

A) Lymph fluid is similar to blood plasma. B) The lymphatic vessels contract to move lymphatic fluid. C) The lymphatic vessels have valves to control the direction of fluid flow. D) The lymphatic system begins with highly permeable capillaries. E) Fluid flows through lymph nodes on its way to the bloodstream.

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