The calcium<span> ions then flow into the cytoplasm and bind to the troponin and tropomyosin molecules in the actin filaments of the </span>muscle<span> cells. The binding of </span>calcium allows the troponin to change shape and expose the actin-myosin binding site. this is from this site:https://www.reference.com/science/role-calcium-muscle-contractions-e42334f57f1a7187
Plagiarism is wrong lol so there is is ^^^^
<span>In this item, we are given that a certain individual by the name of Ian is interested in developing the muscles of his upper body. The best strategy for him to adopt is to Load up with carbohydrates and protein, and concentrate his trainings or exercise plans on weight lifting rather than aerobic activities. Thus, the answer to this item is the third choice. </span>
Answer:
water our body consists on average 65% however the range is 50 to 70%
<span>Static electricity is the buildup of electrical charge in an object. Sometimes static electricity can suddenly discharge, such as when a bolt of lightning flashes through the sky. Other times, static electricity can cause objects to cling to one another. Think of how socks fresh out of the dryer stick together. This happens when objects have opposite charges, positive and negative, which attract.</span>
Answer:
Vesicles and vacuoles can be described as organelles which are membrane-bound and usually are used for storage. The membrane of a vesicle fuse with the membrane of the other cells but the membranes of a vacuole do not fuse with other membranes.
Vacuoles are used to maintain the pressure in a cell and they are larger than vesicles. Plant cells have a large vacuole in the centre of the cell to maintain the turgidity of the cell.