Biology Chapter 6

Substance that speeds up a chemical reaction by reducing the activation energy

• enzyme

• catalyst

• base

• buffer

Protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction

• substrate

• solution

• enzyme

• acid

Reactant to which an enzyme binds

• substrate

• active site

• lipid

• enzyme

Specific place where a substrate binds on an enzyme

• solution

• solvent

• active site

• acid

Molecule with oppositely charged regions

• mixture

• solution

• polar molecule

• protein

Weak electrostatic bond formed by the attraction of opposite charges between a hydrogen atom and an oxygen, fluorine, or nitrogen atom

• hydrogen bond

• mixture

• enzyme

• catalyst

Combination of 2 or more different substances in which each substance keeps its individual characteristics

• acid

• polymer

• mixture

• pH

Homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent).

• protein

• combo

• solution

• base

Substance in which another substance is dissolved

• solvent

• acid

• bowl

• buffer

Substance dissolved in a solvent

• lipid

• solute

• glue

• water