Enzymes are proteins that act as biological catalysts, meaning they speed up reactions without being used up.
What are fats made from?
Fatty acids and glycerol
What are proteins made from?
What are enzymes?
Proteins that act as biological catalysts
Living organisms that act as biological catalysts
Complex carbohydrates that act as biological catalysts
What happens to an enzyme when its active site changes shape irreversibly?
It is killed
It is denatured
It is diffused
What happens to the activity of an enzyme as the temperature is increased?
It increases to a maximum, then decreases
Which statement about the optimum pH of an enzyme is correct?
It is the pH at which the enzyme's activity is greatest.
It is the same for all enzymes.
It is the pH at which the enzyme cannot be damaged by heat.
Which molecule partially fits into an enzyme, reducing enzyme activity?