M1.2+3

Question 1

Four biomacromolecules

Answer 1

Lipids, proteins, carbohydrate and nucleic acid

Question 2

Function of lipid

Answer 2

• Structural (membrane, hormones)
• Energy storage

Question 3

Function of carbohydrates

Answer 3

• Quick and easy access of energy (fast/easy burn). But a small supply
• Communication (cell to cell): forming glycolipids and glycoproteins on the phospholipid bilayer

Question 4

Function of proteins

Answer 4

• Structural (tissue, membrane)
• Enzymes

Question 5

Function of nucleic acid

Answer 5

• Forms DNA, RNA

Question 6

Function of water

Answer 6

• reactant / solvent for many reactions
• 90% of protoplasm (cyto- and nuclear- plam)

Question 7

Function of carbon dioxide

Answer 7

• input of photosynthesis, carbon fixation

Question 8

Function of oxygen

Answer 8

• input of cellular respiration

Question 9

Function of mineral salts

Answer 9

• assist in chemical reaction (cofactor)