Triglyceride formation

Question 1

How is a triglyceride formed?

Answer 1

When a hydrogen atom from the carboxyl end of a fatty acid joins with the hydroxyl group of a glycerol

Question 2

How many fatty acids join a glycerol in the formation of a triglyceride?

Answer 2

Three

Question 3

What is released at the bond between the carboxyl end of the fatty acids and the hydroxyl group of the glycerol?

Answer 3

Water is released

Question 4

What type of reaction occurs at the bond between the fatty acids and the glycerol?

Answer 4

A condensation reaction

Question 5

In total how many waters are released during the formation of a triglyceride?

Answer 5

Three waters are released

Question 6

What is the structure of a triglyceride before the release of water?

Answer 6

.....H                    O  H H H
......|                      ||   |  |   |
H-C- (OH + H)O-C-C-C-C-H
     |       -H2O          |   |   |
     |                          H H H
     |
     |                     O H H H
     |                      ||  |   |   |
H-C- (OH + H)O-C-C-C-C-H
     |     -H2O            |   |   |
     |                         H  H  H
     |
     |                     O H H H
     |                      ||  |   |   |
H-C- (OH + H)O-C-C-C-C-H
     |    -H2O             |   |   |
    H                        H  H  H

Question 7

What is the structure of a triglyceride after the release of water?

Answer 7

....H     O  H H H
     |       ||   |  |   |
H-C-O-C-C-C-C-H
     |           |   |   |
     |          H H H
     |
     |      O H H H
     |       ||  |   |   |
H-C-O-C-C-C-C-H
     |           |   |   |
     |          H  H  H
     |
     |      O H H H
     |       ||  |   |   |
H-C-O-C-C-C-C-H
     |           |   |   |
    H        H  H  H