B1.3 Carbohydrates, Lipids, Proteins Flashcards
1
Q
Define metabolic rate
A
Speed at which chemical reactions in your cells transfer energy from its chemical stores in food
2
Q
Name two examples of different sugars
A
•sucrose, to make cakes
• lactose, found in milk
3
Q
What are proteins? (2)
A
Proteins are polymers formed from amino acids
The order in which the amino acids are joined, determines the protein synthesised
4
Q
What is the difference between the synthesis and breakdown of a protein?
A
The synthesis is when the protein is formed by the amino acids, and the breakdown is when the protein is being separated into amino acids.
5
Q
What are lipids
A
The fats and oils that are eaten
6
Q
What are lipids synthesised from
A
3 fatty acids and a glycerol molecule
