Exph 365 Final Exam Questions And Answers!!

Most Common Chemicals used to help make energy. - Oxygen, hydrogen, carbon, nitrogen Laws of Thermodynamics - 1. Energy is neither created nor destroyed 2. determines direction of energy flow (cold transfers to skin to reduce inflammation, heat flows from body to melt ice) 3. normal behavior of a system slows to point of almost stopping when temp reaches "absolute zero" (0 degrees kelvin) Know how the body stores and transports energy to an area of need. - ATP is our body's energy source, through food, digestion, and stored in cells and muscles What needs to happen for Kinetic Energy to be used - motion/movement mechanical work - an object of some mass is moved a vertical distance; muscle contraction, cell division metabolic work - energy requirement necessary for a body to perform movement physiological work - adaptation of the physiological systems of the body in response to physical stress psychological work - an individual's perception of the difficulty in the performance of a physical task All types of work require movement except which - psychological Know the names of the remaining chemical compounds if the phosphate bonds are broken off an ATP molecule. - Adenosine (adenine [amino acid], ribose [carbohydrate], carrier protein) and 3 phosphate bondsADP: 1 phosphate broken off AMP: 2 phosphates broken off Role of an enzyme - Proteins that serve as a biological gas pedal to speed up reactions (have -ase stuck on end of name)