(3) Contractile proteins of muscle are mostly ___________ proteins.

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(3) Contractile proteins of muscle are mostly ___________ proteins. (1) When a cell is resting, there’s more _____ inside and more _____outside the cell. (2) What is the nitrogenous base that is different between DNA and RNA? (3) Contractile proteins of muscle are mostly ___________ proteins. (4) T or F: A low blood pH is an indication of respiratory alkalosis. (5) What is the air exchanged during normal breathing? (6) Carbon dioxide causes the blood to become __________. (7) Name a few substances that will and will not diffuse through the cell membrane. (8) ____________ is the functional unit of a skeletal muscle. (9) Which phase of deglutition (swallowing) is voluntary? (10) When a neuron reacts to a stimulus, the membrane potential changes and is called an ___________________. (11) _______________ cells secrete gastric hormones. (12) Aldosterone aids in sodium reabsorption, which conserves ___________. (13) The fluid only found inside cells is called _____________. (14) Your sour tastes are initiated by an influx of ___________. (15) A decrease in airway resistance is a result of (dilated/contracted) airways. (16) Negative feedback mechanisms work to prevent _______________________________________. (17) The rate limiting step of neural transmission is __________________. (18) Glucose is a ________________ of glycogen. (19) What is the movement of nutrients from the GI tract to the blood or lymph? (20) When blood glucose levels rise, _____________ is released. (21) In skeletal muscles, ______________binds to troponin, moving tropomyosin. (22) Which nervous system inhibits salivation, causing dry mouth? (23) The movement of ions against their concentration gradients is _________ transport. (24) What are the cells in your eye that detect dim light? (25) What begins to denature in the stomach?