The site of communication between a neuron and a muscle fiber is called a
A) Z disc. B) myofibril.
C) sarcomere. D) neuromuscular junction.
D
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Which of the following is likely to spread MRSA among athletes?
A) physical contact B) whirlpool baths C) taping gels D) shared equipment E) All of the answers are correct.
The following bacterial species are all implicated in dental caries EXCEPT
A) Fusobacterium. B) Borrelia. C) Streptococcus. D) Lactobacillus.
Where is phloem sap moved to?
a. to the root system b. to sinks c. to the shoot system d. to sources
Races of humans are unlikely to evolve extensive differences in the future for which of the following reasons?
I. The environment is unlikely to change. II. Human evolution is complete. III. The human races are incompletely isolated. A) I only B) III only C) I and II only D) II and III only E) I, II, and III