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NBCHBCh6Linser

Chapter 6 (6.1, 6.2, & 6.3)

QuestionAnswer
(6.1) How do physicists view energy? They view energy as the capacity to do work.
(6.1) How do biochemists view energy? They view energy as the capacity for change.
(6.1) What is potential energy? is the energy of the state of position that is, stored energy.
(6.1) What is kinetic energy? is the energy of movement that is, the type of energy that does work.
(6.1) What does an anabolic reaction do? links simple molecules to form complex molecules.
(6.1) What does a catabolic reaction do? is the break down of complex molecules into simplier ones, and releases the energy stored in chemical bonds.
(6.1) What is the first law of Thermodynamics? it states that in any conversion of energy, the amount of energy is neither created nor destroyed. (just transforms energy)
(6.1) What is the second law of Thermodynamics? it states that when energy is converted from one form to the another, some of the energy becomes unavailable to do work.
(6.1) What does an exergonic reaction do? is it catabolic or anabolic reaction? it releases energy-catabolic reactions
(6.1) What does an endergonic reaction do? is is a catabolic or anabolic reaction? it consumes energy-anabolic reactions
(6.1) What is a chemical equilibrium? is any state of balanced opposing forces and no net change.
(6.1) What is free energy? is the energy which is available to do work.
(6.1) What is metabolism? is the sum total of all chemical reactions in an organism.
(6.2) What is the role of ATP in Biochemist Energestics? is to capture and transfer free energy that cells need to do chemical work. "energy currency"
(6.2) How is ATP stored? it is stored within the bonds of the phosphates.
(6.2) How does ATP hydrolysis work? by releasing energy by dissconnecting the phosphate to make protein.
(6.2) What is phosphorylate? is to donate a phosphate groups to other molecules. EX: sodium potassium pump
(6.2) What type of organic compound is ATP? a nucleotide
(6.2) What does Hydrolysis of ATP yield? it yields free energy. (ATP+H2O->ADP+P+Free energy)
(6.2) What is the difference between AMP, ADP, and ATP? AMP= 1 phosphateADP= 2 phosphatesATP= 3 phosphates
(6.3) What is an enzyme? it is a protein, and on the surface of which chemical groups arrange to make the enzyme a catalyst for chemical reaction.
(6.3) What is an energy barrier? it is the amount of energy required to start a reaction.
(6.3) What is activation energy? is the energy barrier that blocks the tendancy for a set of chemical substances to react.
(6.3) What does Ea do? changes the reactants into unstable forms with higher free energy.
(6.3) What is another name for reactants? substrates
(6.3) TRUE or FALSE- The 3D shape of enzymes does not determine its use. False- the 3D shape does determine the enzyme's use.
(6.3) What type of bonds hold molecules in an enzymes active cite? Hydrogen bonds, covalent bonds, and electric attraction.
(6.3) TRUE or FALSE- Enzymes can change with substrate, but later go back to original size. True
(6.3) TRUE or FALSE- Enzymes lower energy barriers. True
(6.3) TRUE or FALSE-Enzymes catalysts' reactions do not proceed toward equilibrium. False-they do proceed towards equilibrium.
Created by: MOVIEfan100
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