Biology 6.2 Flashcards
1
Q
Chemical reaction
A
The process by which atoms/groups of atoms in substances are reorganized into different substances
2
Q
Reactant
A
The starting substances
3
Q
Product
A
The substances formed during the chemical reaction
4
Q
Activation energy
A
The min. amount of energy needed for reactants to form products in a chemical reaction
5
Q
Catalyst
A
A substance that lowers the activation energy needed to start a chemical reaction
6
Q
Enzyme
A
The biological catalysts that speed up the rate of chemical reactions in biological processes
7
Q
Substrate
A
The reactants that bind to the enzyme
8
Q
Active site
A
The specific location where a substance binds on an enzyme
9
Q
Endothermic
A
Chemical reactions that absorb energy (endo = enter)
10
Q
Exothermic
A
Chemical reactions that release energy
(exo = exit)
