Internal work includes
a. all of the energy-expending activities that must go on all of the time to sustain life
b. all energy expenditure by tissues other than skeletal muscles
c. the energy expenditure required to move external objects
d. both a and b
e. all of the above
A
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A. larger; nucleic acid within a protein capsid. B. smaller; a eukaryotic cell with a cell wall. C. smaller; nucleic acid within a protein capsid. D. larger; a eukaryotic cell with a cell wall.
Which of the following is NOT an objective or benefit of AALAS?
a. promotes humane care of animals b. educates research personnel c. represents human medicine d. establishes standards of animal research
What is the function of elastic fibers in the skin?
A. Strength B. Extensibility C. Elasticity D. Cushioning
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A. inhibiting bone marrow production of osteoclasts. B. suppressing the production of RANKL by osteoblasts. C. stimulating apoptosis in osteoclast cells. D. promoting inflammation and overstimulation of osteoclast activity.