What is the main role of the peripheral nervous system?
A. To serve as a back up to the central nervous system
B. To receive information
C. To transport hormones
D. To convey information to and from the central nervous system
Answer: D
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A scientist looking through a microscope at a piece of shoulder muscle would see which of the following features?
A. striated with unbranched fibers B. striated with branched fibers C. nonstriated with unbranched fibers D. nonstriated with branched fibers E. None of the answers for this question are correct.
When using ________ as a terminal electron acceptor, Thiobacillus can sequentially reduce nitrate to nitrogen gas in a process called ________. Certain Thiobacillus species can also chemolithotrophically use ________ as an electron donor.
What will be an ideal response?
A frameshift mutation:
A) leaves the amino acid sequence unchanged. B) results from an insertion or deletion in a DNA sequence. C) substitutes a pyrimidine for a purine, or vice versa. D) substitutes a purine for a pyrimidine only. E) is the result of an unequal crossing-over.
The vital capacity is indicated by
a. A + D. b. A + D + E. c. C + E. d. A + B + D. e. A + C + D.