Important Information - STRUCTURE AND FUNCTION OF BODY SYSTEMS

Question 1

Eccentric Muscle Action Effect on I-band

Answer 1

Lengthening of a muscle fiber causes the I-band to lengthen.

Question 2

Myosin detaching from Actin during Cross Bride Cycling

Answer 2

ATP must be available.

ATP will replace the ADP, allowing contraction to continue (Ca is available) or relaxation (Ca unavailable).