Answer:
E. bind to troponin which moves the tropomyosin
Explanation:
calcium ions bind to troponin, causing conformational changes in troponin that allow tropomyosin to move away from the myosin binding sites on actin. Once the tropomyosin is removed, a cross-bridge can form between actin and myosin, triggering contraction
Answer:
central
Explanation:
the space is filled as central nervous system
Answer: False
Explanation: Valley glaciers are not known to spread throughout a whole continent. A valley glacier is usually formed within a mountain range. They are fed by ice caps and generally shaped as a narrow ribbon or stream of ice between two valley walls. Valley glaciers are commonly found in Alaska and in parts of the Alps.
Answer/Explanation: The metric system is an alternative system of measurement used in most countries, as well as in the United States. The metric system is based on joining one of a series of prefixes, including kilo-, hecto-, deka-, deci-, centi-, and milli-, with a base unit of measurement, such as meter, liter, or gram.
The correct answer is B since it shows a decline.
But why put the answer ? Lol
