When a skeletal muscle generates enough force during contraction to shorten,
A) only the sarcomere will shorten.
B) the sarcomere, the A band and the I band will shorten.
C) only the A band will shorten.
D) only the I band will shorten.
E) the sarcomere and the I band will shorten.
E) the sarcomere and the I band will shorten.
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The atomic number of an atom equals the number of ________, and the atomic weight equals the ________.
A. neutrons; number of protons B. protons; number of protons plus neutrons C. neutrons; number of protons plus electrons D. protons; weight of all the electrons
Why would a premature infant require supplemental oxygen?
What will be an ideal response?
Cyanide stops the production of ATP. Which of the following processes would be affected?
A. active transport B. filtration C. facilitated diffusion D. osmosis E. simple diffusion
A skeletal muscle generates the greatest tension when it is ________
A) fully relaxed before being stimulated B) well-rested and low in creatine phosphate C) high in lactic acid concentration D) greatly stretched before being stimulated E) partially stretched before being stimulated