Which of the following is(are) true concerning
strength training?
a. causes muscle fibers to thicken
b. promotes synthesis of actin and myosin
c. produces muscle fibers with little
endurance
d. produces muscle fibers that fatigue quickly
e. all of these occur
E
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Which species does NOT produce endospores?
A) Bacillus cereus B) Clostridium pasteurianum C) Listeria monocytogenes D) Paenibacillus popilliae
Organisms at the first trophic level _____
a. capture energy from a nonliving source b. are eaten by organisms at higher trophic levels c. are shown at the bottom of an energy pyramid d. all of these
If the plants in a community produce 500 grams of organic matter per square meter per year that is available for animals in the community to eat, this amount of energy is known as the
A) availability factor of the community. B) trophic factor of the community. C) net primary productivity of the community. D) consumership of the community. E) secondary productivity of the community.
Which of the following does NOT cause otitis media?
A) Streptococcus pneumoniae B) Haemophilus influenzae C) Streptococcus pyogenes D) Moraxella catarrhalis E) Coxiella burnetii