week 9 Biomolecules 2

Question 1

Carbohydrate

Answer 1

Group of organic compounds consisting of carbon, hydrogen and oxygen, usually 1:2:1 general formula is Cn(H2O)n.

Question 2

Carbohydrate Structure

Answer 2

Monosaccharides - simple Aldehydes or Ketones

Question 3

Aldose

Answer 3

Aldehyde functional group (-CHO)

Question 4

Lipids

Answer 4

Fatty Acids
- insoluble in water but soluble in organic solvents
- oils, waxes, steroids

Question 5

Types of Lipids

Answer 5

Triglycerides
Phospholipids
Sterols

Question 6

Triglycerides

Answer 6

Glycerol esterified with 3 fatty acids
Energy Storage

Question 7

Phospholipids

Answer 7

Glycerol esterified with 2 fatty acids and one phosphate di-ester
Cell membrane and signalling

Question 8

Sterols

Answer 8

Common 4 rings molecular chassis (Gonane) (Benzene rings)
Stepping stone for Vitamins and Steroids
Cholesterol

Question 9

Saturated Lipid

Answer 9

No carbon double bonds

Question 10

Unsaturated Lipid

Answer 10

contains bonds more than single

Question 11

The lipid Membrane is made of

Answer 11

Phosphate head and fatty lipid tail

Question 12

Fat Soluble Vitamins

Answer 12

ADEK

Question 13

Water Soluble Vitamins

Answer 13

BC