Biological Molecules

Question 1

Carbohydrates and bonds

Answer 1

Monosaccharides, disaccharides and polysaccharides
Glycosidic

Question 2

Use of
Monosaccharides
Disaccharides
Polysaccharides

Answer 2

Quick Energy
Energy
Energy stores (starch/glycogen), structure (cellulose)

Question 3

How do glycosidic bonds form

Answer 3

Condensation reaction

Question 4

Protein bonds

Answer 4

Primary - peptide
Secondary - hydrogen
Tertiary - hydrogen, ion, disulfide bridge, hydrophobic interactions
Quaternary - hydrogen, ionic, disulfide bridge, hydrophobic interactions

Question 5

How are peptide bonds formed

Answer 5

Condensation between amino and carboxyl groups

Question 6

Lipids

Answer 6

Triglycerides - 1 glycerol and 3 fatty acids
Phospholipids - 1 glycerol, 2 fatty acids, 1 phosphate

Question 7

What bonds in lipids

Answer 7

Ester bonds form between hydroxyl (—OH) and carboxyl (—COOH) of fatty acids

Question 8

What are Nucleic acids made from

Answer 8

Nucleotides (sugar, phosphate and base)
C,H,O,N,P

Question 9

What bonds in Nucleic acids

Answer 9

Phosphodiester (backbone)
Hydrogen (between bases)