Unit 1: Biochem - lipids

Question 1

function (3)

Answer 1

• long term energy storage
• build cell membrane
• insulation

Question 2

elements (4)

Answer 2

C, H, O + P

Question 3

monomers of lipids

Answer 3

• fats
• phospholipids
• steroids

Question 4

fats

Answer 4

• made up of glycerol + 3 fatty acid chains
• nonpolar and hydrophobic
• can be saturated or unsaturated

Question 5

saturated fats

Answer 5

• fats with no double carbon bonds (animals fats)
• solid at room temp
  ex. butter

Question 6

unsaturated fats

Answer 6

• have a double carbon bond somewhere (plants and fish fats)
• liquid at room temp.
  ex. oil

Question 7

phospholipids

Answer 7

• made up of a phosphate and 3 fatty acid chains
• both polar and nonpolar

Question 8

amphipathic

Answer 8

being both polar and nonpolar
- phospholipids

Question 9

steroid

Answer 9

4 fused rings + functional group