B Level Biology Exam

Question 1

Describe the molecular structure of fats

Answer 1

The molecular structure of fats consists of a glycerol head and three fatty acid tails

Question 2

List the four chemical groups of carbohydrates and identify the number and type of subunits present in each

Answer 2

Monosaccharides- 1
Disaccharides- 2
Oligosaccharides- 3-10
Polysaccharides- hundreds to thousands