1.7 Lipids

Question 1

What is the structure of Glycerol

Answer 1

-alcohol
-3 carbon chain
-3 OH groups

Question 2

What is the structure of Fatty acids

Answer 2

-hydrocarbon tail (3-50 carbons long)
-1 carboxyl group

Question 3

Saturated fatty acids

Answer 3

-Have a maximum number of H atoms
-More energy because more C-H bonds
-Found in animal fat
-solid at room temperature

Question 4

Unsaturated fatty acids

Answer 4

-Dont have maxiumum number of H atoms -Found in Plants
-Liquid at room temperature (oils)
-

Question 5

Why do unsaturated fatty acids not have maximum number of H atoms

Answer 5

Due to double bonds C=C

Question 6

Why are unsaturated fatty acids liquid at room temperature

Answer 6

Because they bend a double bond, so they can be tightly packed.

Question 7

Polyunsaturated fat

Answer 7

• have more than one double bond

Question 8

Glycerol + 1 fatty acid produce?

Answer 8

monoglyceride + water

Question 9

Glycerol + 2 fatty acid produce?

Answer 9

Diglyceride + 2 water

Question 10

Glycerol + 2 fatty acids and 1 phosphate produce?

Answer 10

phosphoglycerides + 3 water