Unit 3 - Cellular Energetics Vocab

• A catalyst is a chemical agent that speeds up a reaction without being consumed by the reaction

• Active site orients substances in correct position for reaction 

• Enzyme brings substance closer together 

• Active site binds substrate and puts stress on bonds that must be broke, making it easier to separate molecules 

Location on an enzyme where the substance attaches. Very specific for the substrate.

The reactants in an enzyme-catalyzed reaction

•  When the enzyme hugs around the substrate

• Controlled variables are also known as

--- means that energy is going inside the system

-- is not spontaneous, it requires energy 

-- has to do with energy going out of the system