Where should most of the potassium ions be located when a muscle cell is at rest?
A) extracellular fluid
B) sarcoplasmic reticulum
C) tranverse tubules (T -tubules)
D) cytosol of the muscle cell
Correct Answer:
Verified
Q6: What is the functional contractile unit of
Q7: When a skeletal muscle fiber contracts:
A) Z
Q8: What characteristic is NOT descriptive of cardiac
Q9: The degree to which a muscle cell
Q10: A triad consists of:
A) actin filaments, troponin,
Q12: The Na+/K+ pump helps a muscle cell
Q13: What anchors thin and elastic filaments in
Q14: Deep inward extensions of the sarcolemma form
Q15: What is the basic function of all
Q16: The central region of the A band
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