Approximately 80% of a muscle fiber’s volume are the myofibrils. This characteristic reflects muscles ability to ________.
A. store oxygen molecules that can be used in aerobic respiration
B. produce relatively high amounts of ATP
C. produce movement through contractile force
D. generate and propagate action potential
Answer:C
Approximately 80% of a muscle fiber’s volume are the myofibrils. This characteristic reflects muscles ability to ________.
A. store oxygen molecules that can be used in aerobic respiration B. produce relatively high amounts of ATP C. produce movement through contractile force D. generate and propagate action potential