B2- Enzymes And Digestion Flashcards
What are the enzymes used in digestion produced by?
Cells
These enzymes are released into the gut to mix with food.
What do digestive enzymes break down BIG molecules into?
Smaller molecules like sugars, amino acids, glycerol, and fatty acids
These smaller, soluble molecules can pass through the walls of the digestive system.
What is an example of a carbohydrase?
Amylase
Amylase breaks down starch.
Where is amylase produced?
1) Salivary glands
2) Pancreas
3) Small intestine
What do proteases convert proteins into?
Amino acids
Where are proteases produced?
1) Stomach (as pepsin)
2) Pancreas
3) Small intestine
What do lipases convert lipids into?
Glycerol and fatty acids
Where are lipases produced?
1) Pancreas
2) Small intestine
What is the role of bile in digestion?
Neutralises stomach acid and emulsifies fats
Where is bile produced and stored?
Produced in the liver and stored in the gall bladder
Why does bile neutralise stomach acid?
To create alkaline conditions for enzymes in the small intestine to work properly
What does bile do to fats?
Breaks fat into tiny droplets
This increases the surface area for lipase to work on, speeding up digestion.
Fill in the blank: Starch, proteins, and fats are ______ molecules.
BIG
True or False: Lipids are also known as carbohydrates.
False
Lipids are fats and oils.
What is one use of glucose produced during digestion?
Used in respiration
