Lipids

Question 1

What is the structural formula of a triglyceride

Answer 1

3 fatty acids + glycerol

Question 2

what is the structural formula of a phospholipid

Answer 2

2 hydrophobic fatty acids (one saturated and one unsaturated) and hydrophilic head made from one phosphate group

Question 3

which type of fatty acids have only single C-C bonds

Answer 3

Saturated Fatty Acids

Question 4

which type of fatty acids have one C-C Double bond

Answer 4

Mono-Unsaturated Fatty Acids

Question 5

Which type of Fatty acid has more than one C-C double bond

Answer 5

Unsaturated Fatty Acids

Question 6

Function of phospholipids

Answer 6

makes up the membrane

Question 7

function of lipids

Answer 7

insulation(eg Mylon Sheath), protection (eg organs) and energy storage

Question 8

steroids are _ ring structures

Answer 8

4 ring structures.

Question 9

Name the 2 main steroids

Answer 9

oestrogen and testosterone

Question 10

what is the main molecule present in both oestrogen and testosterone?

Answer 10

cholesterol