The length of the resting sarcomere is
A. longer than the length of a contracted sarcomere.
B. shorter than the length of a contracted sarcomere.
C. the same length as a contracted sarcomere.
D. the same length as the muscle fiber.
E. the same length as the myofibril.
A
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Which of the following proteins is used to reinforce the sarcolemma and to help transmit the tension generated by the sarcomeres to the tendons?
a) troponin b) tropomyosin c) myosin d) actin e) dystrophin
Axons from the olfactory nerve synapse onto dendrites of mitral cells in this structure:
a. the nasal organ. b. the olfactory mucosa. c. the olfactory cortex d. thalamus e. glomeruli
Which chemical messenger is released by adipose tissue?
a. Neuropeptide Y b. melanocortin c. Leptin d. CRH e. Insulin
Growth at the epiphyseal plate is specifically stimulated by
A. estrogen and testosterone. B. growth hormone, estrogen, and testosterone. C. parathyroid hormone. D. growth hormone. E. calcitonin and parathyroid hormone.