T, or transverse, tubes in skeletal muscle function to
A) transport calcium ions throughout muscle cells.
B) allow actin and myosin filaments to slide over each other.
C) promote the rapid penetration of the electrical impulse deep into the cell.
D) help decrease the amount of ATP produced.
E) convert glucose to lactic acid, which helps muscles relax.

Question

Quizplus · Accepted Answer

T-tubules, or transverse tubules, are invaginations of the muscle cell membrane that allow electrical impulses to quickly penetrate deep into the muscle cell, ensuring rapid and coordinated muscle contraction.

T, or Transverse, Tubes in Skeletal Muscle Function to