Nutrition, digestion and excretion

HideShow resource information
Which element is present in proteins but not in carbohydrates?
Nitrogen is present in proteins but not in carbohydrates
1 of 8
Which elements are present in fats and oils?
Fats and oils contain hydrogen, as well as carbon and oxygen.
2 of 8
What are lipids made from?
Lipids (fats and oils) are made from fatty acids and glycerol
3 of 8
What are enzymes?
Enzymes are proteins that act as biological catalysts
4 of 8
What happens to the activity of an enzyme as the temperature is increased?
The activity of an enzyme increases as the temperature increases. Then it decreases again above an optimum temperature, as the it becomes denatured
5 of 8
What can happen to someone with too little vitamin A in their diet?
Vitamin A is needed to maintain good vision. Vitamin A deficiency can lead to night blindness.
6 of 8
What can happen to someone with too little vitamin C in their diet?
Vitamin C is needed to help wound healing. Vitamin C deficiency can lead to scurvy.
7 of 8
What can happen to someone with too little vitamin D in their diet?
Vitamin D is needed to maintain healthy bones and teeth, and too little in the diet leads to rickets.
8 of 8

Other cards in this set

Card 2

Front

Which elements are present in fats and oils?

Back

Fats and oils contain hydrogen, as well as carbon and oxygen.

Card 3

Front

What are lipids made from?

Back

Preview of the front of card 3

Card 4

Front

What are enzymes?

Back

Preview of the front of card 4

Card 5

Front

What happens to the activity of an enzyme as the temperature is increased?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Enzymes and digestion resources »