Triglyceride

Question 1

What are triglycerides composed of?

Answer 1

Fatty acids and glycerol

Question 2

How many fatty acids join with 1 glycerol to make a triglyceride?

Answer 2

3 fatty acids

1 glycerol

Question 3

What atoms does the condensation reaction occur between?

Answer 3

Between hydroxyl group of the glycerol and carboxyl group of a fatty acid

Question 4

What type of bond is formed in the condensation reaction?

Answer 4

Ester bond

Question 5

What is the process called that creates an ester bond?

Answer 5

Esterification

Question 6

What enzyme can hydrolyse the water bond?

Answer 6

Lipase

Question 7

What is also produced by condensation reaction?

Answer 7

3 H2O

Question 8

Through triglycerides expose their hydrophobic ends, what will lipids dissolve in?

Answer 8

Dissolve in organic solvents

e.g. alcohol

Question 9

What type of lipid are oil?

Answer 9

Unsaturated

Question 10

Why are oils liquid at room temperature?

Answer 10

Unsaturated chains pack loosely

Question 11

Why are fats solid at room temperature?

Answer 11

Made from saturated fatty acids that pack closely together