TRIGLYCERIDES

Question 1

WHAT IS A TRIGLYCERIDE?

Answer 1

A MOLECULE OF GLYCEROL WITH THREE FATTY ACIDS ATTACHED TO IT BY ESTER BONDS

Question 2

WHAT MOLECULE DOES A FATTY ACID JOIN TO?

Answer 2

A GLYCEROL MOLECULE WITH A CONDENSATION REACTION

Question 3

WHAT BOND IS FORMED IN THE FORMATION OF A TRIGLYCERIDE?

Answer 3

AN ESTER BOND

Question 4

WHAT IS PRODUCED THROUGH EACH CONDENSATION REACTION?

Answer 4

A WATER MOLECULE

Question 5

WHAT DOES HYDROLYSIS DO TO AN ESTER BOND?

Answer 5

• BREAKS THE BOND
• RELEASES THE FATTY ACIDS

Question 6

WHAT ARE TRIGLYCERIDES IMPORTANT FOR?

Answer 6

ENERGY STORAGE

Question 7

WHAT DO FATTY ACIDS AND GLYCEROL DO TOGETHER?

Answer 7

GATHER TOGETHER TO FORM DROPLETS IN CELLS

Question 8

WHAT DOES INSOLUBLE TRIGLYCERIDES MEAN?

Answer 8

DONT DISSOLVE IN WATER = DONT EFFECT THE WATER POTENTIAL OF A CELL + DONT DRAW IN WATER BY OSMOSIS

Question 9

EXPLAIN THE TRIGLYCERIDE FUNCTION OF THERMAL INSULATION

Answer 9

LIPIDS INSULATE AGAINST HEAT LOSS IN THE COLD / HEAT GAIN WHEN ITS VERY HOT

Question 10

EXPLAIN THE TRIGLYCERIDE FUNCTION OF BOYANCY

Answer 10

MARINE ANIMALS CAN FLOAT

Question 11

EXPLAIN THE TRIGLYCERIDE FUNCTION OF PROTECTION

Answer 11

OFTEN STORED AROUND DELICATE ORGANS LIKE KIDNEYS (PROTECT AGAINST PHYSICAL DAMAGE)