Enzymes (HSC SSCE Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Enzymes
Enzymes
Protein molecules controlling chemical reactions in cells
Biological catalyst role
Biological catalyst role
Speeds up reactions without being consumed
Activation energy
Activation energy
Minimum energy required to start a chemical reaction
Active site
Active site
Specific region on enzyme where substrates bind
Enzyme specificity
Enzyme specificity
Each enzyme catalyses only one type of reaction
Induced-fit model
Induced-fit model
Enzyme changes shape when substrate binds (current model)
Optimum temp for most enzymes
Optimum temp for most enzymes
Around 40°C
Denaturation
Denaturation
Enzyme loses structure and function due to extreme conditions
Saturation point
Saturation point
All enzyme molecules occupied, working at max capacity
Catalase function
Catalase function
Breaks down hydrogen peroxide into water and oxygen
