Enzymes Flashcards
(20 cards)
What is a catalyst?
Something that speeds up a chemical reaction.
What are two processes that enzymes are involved in?
Photosynthesis, Respiration and digestion.
What is the role of enzymes in digestion?
Break down food molecules.
What happens when an enzyme and a substrate join together?
They fit together perfectly.
What is meant by the term ‘complementary’ in the context of enzymes and substrates?
They have shapes that fit each other.
What is the active site of an enzyme?
The region where the reaction occurs.
Fill in the blank: The substrate enters the _______.
[active site]
How do enzymes and substrates relate to a lock and key?
Enzymes work like a lock where the substrate is the key.
What forms when an enzyme and substrate interact?
Enzyme-substrate complex.
What are the products of an enzyme reaction?
The substances formed after the reaction.
Why are enzymes needed in digestion?
To break down food molecules into smaller, more soluble molecules which nutrients can be absorbed
What does amalase do?
Break down starch into glucose
Where does amalase work?
Mouth and small intestine
Where is amalase made?
Salivary glands and the Pancreas
What does protease do?
Breaks down protein into amino acids
Where is protease made?
In the pancreas
Where does protease work?
In the stomach and small intestine
Where does lipase work?
In the small intestine
What does lipase do?
Breaks down lipids into fatty acids and glycerol
Where is lipase made?
In the Pancreas
