The series of membranous channels that surround each myofibril is the
A) Sarcolemma.
B) Sarcoplasmic reticulum.
C) Myolemma.
D) Sarcoplasm.
E) Transverse tubule.
B) Sarcoplasmic reticulum.
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Given the following approximate values, calculate the molecular weight for NaCl. Atomic number for Na: 11, Atomic weight for Na: 23 g/mol, Atomic number for Cl: 17,Atomic weight for Cl: 35 g/mol, Boiling point for Cl: -34 °C
A) 11 g/mol B) 28 g/mol C) 34 g/mol D) 40 g/mol E) 58 g/mol
The kidneys are innervated by the
A) sacral nerves. B) renal nerves. C) celiac plexus. D) ureteric nerves. E) pelvic nerves.
Action potentials are conducted into a skeletal muscle fiber by
A) Motor end plates. B) Neuromuscular junctions. C) Transverse tubules. D) Triads. E) Sarcoplasmic reticulum
Which bones develop from pharyngeal arches?
A. Most of the bones of the calvarium B. Bones of the base of the cranium C. The sphenoid and ethmoid D. The temporal and occipital E. The facial bones