B3 Struggles Flashcards
1
Q
Order of the human digestive system (6)
A
- mouth
- gall bladder
- stomach
- pancreas
- small intestine
- large intestine
2
Q
How and what does much tissue do in the stomach? (2)
A
- contracts
- mixes food and digestive enzymes
3
Q
Difference between simple sugar and complex carbohydrate (2)
A
- simple sugar is one sugar molecule
- complex carb is a long chain of sugar molecules
4
Q
Tests for Simple Sugars (3)
A
- Benedict’s test
- blue to brick red on heating
- glucose will be present
5
Q
What is the enzyme found in living cells that catalyses the breakdown of hydrogen peroxide?
A
- catalase
6
Q
Control variables for testing PH of enzyme (2)
A
- temperature of enzyme
- concentration of enzyme
7
Q
What acid does the stomach produce? (1)
A
- Hydrochloric Acid (HCL)
8
Q
What is the small intestine more alkaline?
A
- contains bile that neutralises the acidic contents in the stomach
