Glial cells perform all of the following functions EXCEPT ____
a. nourish neurons
b. control the concentrations of electrolytes
c. protect and support neurons
d. produce action potentials
e. insulate axons
ANSWER: d
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Which of the following is asserted by the idea of intelligent design?
a. An unknown designer created living organisms and their systems. b. Individuals evolve in response to a changing environment. c. All living organisms are designed to evolve and diversify. d. Populations evolve to accomplish a societal goal.
Which of the following affect(s) predator–prey
interactions? a. prey reproductive rate b. presence of an alternative predator or prey species c. predator response to prey density d. predator reproductive rate e. all of these
Which of the following statements about lactic acid fermentation is FALSE?
a. It uses glucose as a substrate. b. It is inefficient compared to aerobic respiration. c. It produces two ATP molecules for every glucose molecule. d. Oxygen is the final electron acceptor of this pathway. e. Glycolysis is the only energy-yielding step of this pathway.
________ techniques are based on recreating a microenvironment in the laboratory to promote the growth of a microorganism formerly restricted to a small ecological niche.
A. Enrichment culture B. Fastidious growth C. Community growth D. PCR