When myosin head bind to the actin, it will form a cross bridge and causes a power stroke to occur. It will hydrolyse the ATP to ADP + Pi in the ATPase of the myosin head and the myosin head will detached from actin and tilt back to its original position. Hence the sarcomere will shorten
Mitosis - <span>It is a process of cell multiplication that is characterized by a chromosome duplication and a cell division. The result is that the daughter cells will have the same number of chromosomes as the mother cell.</span>
Answer:
I believe the answer is B. X-spongy;Y-marrow