Multiple Choice
The units of contraction within a muscle fiber are called:
A) sarcolemmas
B) sarcomeres
C) troponin and myosin
D) sarcoplasmic reticulums
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q20: The function of the orbicularis oculi is
Q21: The organ system that transmits impulses to
Q22: The structure that connects a muscle to
Q23: During exercise, the amount of blood within
Q24: The frontal lobes of the cerebrum:<br>A)initiate muscle
Q26: During polarization, _ ions are abundant outside
Q27: The muscle around the mouth that puckers
Q28: During polarization, the muscle fiber has a
Q29: In muscle contraction, the energy source _
Q30: The muscle of the pelvic floor that