Energy is commonly defined as “the capacity to do
work.” This definition is
a. incorrect.
b. adequate in the physical sciences.
c. adequate in the biological sciences.
d. no more than a clue to the actual properties of
the concept.
e. not accepted by most scientists.
Answer: d
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All living organisms respond and adjust to their environments. The process through which this occurs is called
A. photosynthesis. B. metabolism. C. adaptation. D. growth and development. E. genomics.
Which of the following is NOT an example of a homeostatic mechanism?
a. sweating when you get hot b. the maintenance of blood glucose concentrations c. body water regulation d. heart rate increase during exercise e. childbirth
The oval window is indicated by
a. A. b. B. c. D. d. E. e. F.
Which sentence best describes the role of the signal recognition particle (SRP)?
a. It activates gene expression. b. It assists in polyadenylation of mRNA. c. It assists in mRNA splicing. d. It temporarily blocks translation.