Regarding excitation-contraction coupling in skeletal muscle, which statement is
INCORRECT?

Question

TuteeHUB · Accepted Answer

troponin I   tropomyosin complex constitutes a  relaxing protein

TuteeHUB · Answer

calcium ions bind to troponin T

TuteeHUB · Answer

each cycle of attachment and detachment shortens muscle length by about 1%

TuteeHUB · Answer

ATP is the immediate source of energy

TuteeHUB · Answer

globular head of myosin   II possesses actin binding site

1.	Regarding excitation-contraction coupling in skeletal muscle, which statement is INCORRECT?
A.	calcium ions bind to troponin T
B.	troponin I tropomyosin complex constitutes a relaxing protein
C.	each cycle of attachment and detachment shortens muscle length by about 1%
D.	ATP is the immediate source of energy
E.	globular head of myosin II possesses actin binding site
Answer» B. troponin I tropomyosin complex constitutes a relaxing protein

Discussion