3 - Food Flashcards
1
Q
Function of food
A
Metabolism
Continuity of life
2
Q
Metabolism
A
All the chemical reactions in an organism
3
Q
Continuity of life
A
The way in which living things arise from living things
> source of energy
to make chemicals needed for metabolic reactions
growth and repair
4
Q
Chemical elements in food
A
Carbon (C) Nitrogen (N) Hydrogen (H) Phosphorus (P) Oxygen (O) Sulphur (S)
5
Q
5 elements present in dissolved salts
A
Sodium (Na) Potassium (k) Magnesium (mg) Calcium (ca) Chlorine (cl)
6
Q
3 trace elements in dissolved salts
A
Iron (Fe)
Copper (cu)
Zinc (zn)
7
Q
Biomolecules/biochemicals
A
Chemicals made inside a living thing
