Myosin is
A. a protein.
B. pulled inward during contraction.
C. the thin filament.
D. All apply.
Answer: A
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Which structure will sometimes disappear in adults?
A. Thoracic duct B. Spleen C. Thymus D. Pancreas
Why is RhoGAM administered to pregnant Rh? women?
A) RhoGAM will change the mother's blood type to Rh+. B) RhoGAM will change the fetus's blood type to Rh?. C) RhoGAM contains Rh antigens so the mothers' antibodies can attack the RhoGAM antigens, instead of the fetus's blood cells. D) RhoGAM contains anti-Rh antibodies, which circulate in the mothers' bloodstream to destroy any fetal RBCs there, thereby preventing the mother from making antibodies against the developing fetus's red blood cells. E) RhoGAM contains proteins that surround the fetal RBCs and protect them from attack by maternal antibodies.
Which of the following analogies best represents a parallel after-discharge circuit?
A. An instructor instructs all students to solve the same problem. B. An instructor divides the class into four groups and assigns each group a different problem to solve.
The white part of the eye is called the:
a. cornea b. choroid c. iris d. sclera