Metabolism Flashcards
1
Q
Define metabolism
A
Sum of all chemical reactions in a cell or the body
2
Q
Use of glucose in plants
A
Converted to cellulose
= strengthens plant cell wall
Converted to starch
= storage form of glucose
Reacted with nitrate ions to make amino acids
= used to synthesise proteins
3
Q
Importance of glucose to humans
A
Converted to glycogen
= storage form of glucose
4
Q
How are lipids formed
A
React one glycerol molecule and 3 fatty acid molecules
= create lipid
= found in cell membrane
5
Q
What happens to excess protein
A
Broken down into chemical urea
= excreted by kidneys
6
Q
Risk factors of cholesterol
A
Diet
Genetic makeup
