Chapter 5 Flashcards
Potential energy
Stored
Energy in motion
Kinetic
Energy cannot be created or destroyed
Law 1 thermodynamics
Entropy
Movement towards disorder
Law 2 thermodynamics
Order requires ________ system or constant source of ________________
Open
New energy
Release of energy as heat is an example of
Entropy or disorder
Reactant is another word for
Substrate
Reaction that releases energy
Exergonic
Reaction that uses/requires energy input
Endergonic
All reactions require __________ __________ to get started
Activation energy
_______________ decrease energy of activation
Catalysts
_____________ are proteins that act like biological catalysts
Enzymes
Enzymes bind reactants at
Active Site
_____________ stress the bonds that pressure reaction to happen.
Enzymes
Enzymes stressing of bonds lowers ____________ _____________
Activation energy
Enzymes bind ____________ and bring them into proximity
Reactants
Enzymes need the right __________ and ______________ to function
Temperature and pH+
__________ ___________ interferes with active site of enzyme
Competitive inhibitor
_________ ___________ changes shape of enzymes so it cannot bind
Noncompetitive inhibition
___________ _____________ turns off enzymes so they stop
Allostreic binding or competitive inhibition
________________ _____________ is a fixed sequence of reaction where the product of one reaction becomes the reactant of the next next reaction
Biochemical pathway
_______ is the energy currency for the cell.
ATP
_______ is synthesized in mitochondria
ATP
________ and phosphate combine in the mitochondria to make ________
ADP
ATP