Relaxation is facilitated by the release of passive tension that developed in cablelike __________ proteins that were compressed during contraction
Fill in the blank with correct word.
connectin
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Myoglobin
a. can store small amounts of O2. b. increases the rate of O2 transfer from the blood into muscle fibers. c. is abundant in fast-glycolytic fibers. d. both (a) and (b) above. e. all of these answers.
Neuronal axons typically have abundant
A. voltage-gated channels for Na+ that open in response to depolarization. B. voltage-gated channels for K+ that open in response to hyperpolarization. C. ligand-gated channels for Na+. D. ligand-gated channels for K+. E. voltage-gated channels for Ca2+.
________ is characterized by soft and weak bones that are prone to spontaneous fractures and may lead to the formation of kidney stones.
A. Cushing syndrome B. Hyperthyroidism C. Addison disease D. Hyperparathyroidism E. Hypoparathyroidism
Injury to the thalamus would
A. affect pH regulation. B. affect sensory projection to the cerebral cortex. C. prevent puberty. D. affect body temperature regulation. E. cause us to stop breathing.