Myosin, a motor protein that interacts with actin to drive muscle movement, is bound to a phosphate group at one stage of its conformational change that causes motion. Myosin is an example of a Ⓒhemoprotein metalloprotein Ophosphoprotein glycoprotein O lipoprotein O nucleoprotein

Place the following molecules in order from highest to lowest phosphoryl transfer ability (most negative to least negative AºG). Drag and drop options into correct order and submit. For keyboard navigation... SHOW MORE ✓ ||| ||| = = ||| = ||| Phosphocreatine Phosphoenolpyruvate 13-Bisphosphoglycerate ATP Glucose 6-P

a skeletal muscle cell has depleted its stores of ATP how will the altered transport properties of the NKA transporter affect cytosolic calcium concentrations (increase, decrease, no change) relative to normal? Why?

Protein-X has a calcium (Ca²+)-binding regulatory subunit. Upon calcium (Ca²+) binding the protein changes its own conformation resulting in the conformation change of protein-Y. As a result of this calcium (Ca²+)-dependent protein-X mediated conformational change protein-Y exposes the myosin II head binding sites on the skeletal muscle actin filaments. Identify the protein-X and protein-Y from the following choices. O Protein-X: Troponin; Protein-Y: Tropomysosin O Protein-X: Tropomodulin; CapZ O Protein-X: Nebulin; Protein-Y: Titin Protein-X: Tropomysosin; Protein-Y: Tropomodulin