The area of a myofibril where there are no actin filaments is the
A) H band.
B) M line.
C) I band.
D) Z line.
E) A band
A) H band.
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A large, smooth, rounded articulating oval structure is called what?
a. a tubercle b. a fossa c. an epicondyle d. a condyle e. none of the above
Define anthrax
What will be an ideal response?
Undescended testes cause infertility because
A) they undergo apoptosis, and can no longer produce sperm. B) there is too little testosterone. C) they become entangled in the seminiferous tubules, which then degenerate. D) sperm development is impeded by the higher internal body temperature.
This portion of the brain ensures that skeletal muscle contraction follows the correct pattern leading to smooth, coordinated movements.
A. Medulla oblongata B. Cerebellum C. Cerebrum D. Epithalamus E. Pons