Enzymes Flashcards

Competitive Inhibition

when a molecule that is not the substrate binds to the active site of an enzyme, preventing the substrate from binding to create a product

Non competitive Inhibition

when an inhibitor binds to an enzyme at a site other than the active site; binds to the allosteric site; causes shape of active site to change preventing substrate from binding

Inhibitor

a molecule that is not the substrate

Feedback Inhibition

when the product of an enzymic reaction binds back to the enzyme is came from; prevents new products from being made

Enzymes

speeds up chemical reactions

substrates: the reactants; what is binding to the enzyme active site

type of protein

Endergonic Reaction

- reaction where the products have more energy than reactants

- reaction that requires energy to initiate

- absorbs heat, so feels cold when touched by surroundings

- ex. Dehyrdration synthesis (Triglyceride has more energy than the individual fatty acids and glycerol; Instant ice pack (feels cold because it absorbs heat from its surroundings

Exergonic Reaction

- reaction releases energy

- products have less energy than initial reactants

- some energy is lost as heat

- ex. Hydrolysis (energy is release when broken apart)