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Physiology

week 1-6

QuestionAnswer
Levels of Homeostatic Control (qty 3) Intracellular: operates at cell level (genes/enzymes) Intrinsic: operates at tissue and organ level Extrinsic (outside): operates at the system/organism level
Solutions hypertonic solution: high concentration, cell shrivels hypotonic solution: low concentration, cell swells (can explode) Isotonic solution: some concentration, fluid surrounds body cells
Enzyme groups oxidation, hydrolyzing, phosphorylating, carboxylases, mutases, hydrases.
Ph levels 0-6: acidic, alkaline(basic) 8-14, neutral: 7
phospholipid bilayer cell membrane made of phosphate, proteins, and lipids.
Elements of Protein carbon, oxygen, hydrogen, nitrogen
Protein roles Structural: cells, tissue, organs of the body functional: can bind/ create molecules like enzymes (chemist)
Feedback control loop -components (4) 1. sensor mechanism, 2. control center (info analyzed), 3. effector mechanism (influence phys. variables), feedback
Lipids triglycerides/fats, phospholipids, steroids, prostaglandins
Types of Active Transport exocytosis, endocytosis, pinocytosis, phagocytosis.
Created by: user-1991108
 

 



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