Lipids

Question 1

Roles of lipids

Answer 1

source of energy, insulation, protects organs, waterproofing, cell membrane

Question 2

Characteristics of lipids

Answer 2

Insoluble in water, soluble in organic solvents (alcohol, acetone)

Question 3

What are the 2 types of lipids

Answer 3

Triglycerides, phospholipids

Question 4

What type of reaction forms triglycerides ?

Answer 4

Condensation reaction

Question 5

How many types of fatty acids are there ?

Answer 5

70 +

Question 6

What bond do triglycerides have

Answer 6

ester bond

Question 7

Lipids test

Answer 7

1.grind sample
2. add distilled water and ethanol
3. shake
4. If a white emulsion appears lipids are present