The region of the sarcomere containing the thick and thin filaments is the
A) Z line.
B) M line.
C) H band.
D) A band.
E) I band.
Answer: D
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The cell seen in the preceding diagram could be
A) undergoing cell respiration. B) replicating its DNA. C) phagocytosing cell debris. D) modifying and releasing a cellular protein. E) performing active transport.
Male embryos develop both Wolffian and Mullerian ducts, but only the Wolffian ducts remain in the male fetus.
Answer the following statement true (T) or false (F)
Mean arterial pressure is
A. cardiac output times peripheral resistance. B. heart rate times stroke volume. C. maximum cardiac output minus cardiac output when at rest. D. stroke volume times peripheral resistance. E. end-diastolic volume minus end-systolic volume.
Striated involuntary muscle tissue found in the heart is ________
A) smooth muscle B) skeletal muscle C) dense regular D) cardiac muscle E) dense irregular