Which type of muscle tissue has spindle-shaped cells?
A. skeletal muscle
B. smooth muscle
C. cardiac muscle
D. both skeletal and cardiac muscle
E. both cardiac and smooth muscle
B
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Define isotonic
What will be an ideal response?
The normal pH for urine
A. is anything below 7.0. B. is anything above 7.0 C. ranges between 4.5 and 8.0. D. ranges between 3.0 and 6.0. E. ranges between 8.0 and 9.0 for someone with a diet high in protein.
Tropomyosin covering the active sites is an example of
A) activation. B) enzyme-substrate reaction. C) competitive inhibition. D) noncompetitive inhibition. E) allosteric inhibition.
Which of the following is found in the medulla?
A) respiratory rhythmicity center B) pneumotaxic center C) apneustic center D) depth control center E) None of the answers are correct.