Triglyceriols

Question 1

Triglycerides

Answer 1

• one glycerol and three fatty acids molecules, condensation reaction, forming an ester bond
• glycerol molecule stays the same, but the fatty acids component varies

Question 2

Roles of triglycerides

Answer 2

• energy reserve in plant and animals
  - contain more C-H bonds than carbohydrates
• thermal insulation
  - insulate against heat loss, or heat gain
• protection
  - stored around delicate organs e.g. kidneys
• producing metabolic water
  - released from the body’s chemical reactions