Carbohydrates

Question 1

Phospholipid

Answer 1

Glycerol, 2 fatty acids & a phosphate group

Question 2

What is starch

Answer 2

A polymer of alpha glucose, mostly unbranched, used to store glucose in plants.

Question 3

What is lactose

Answer 3

Disaccharide of glucose and galactose

Question 4

Glycosidic bond

Answer 4

A bond between 2 monosaccharides, formed by a condensation reaction

Question 5

Beta- glucose

Answer 5

A glucose monomer, OH group is above the ring on Carbon 1

Question 6

What is a fatty acid

Answer 6

Contains a -COOH group and a hydrocarbon tail

Question 7

R- group

Answer 7

A variable group (amino acids/ lipids)

Question 8

cellulose

Answer 8

Polymer of beta glucose, used in plant cell walls.

Question 9

Benedict’s test

Answer 9

Test for reducing sugars, heat turns from blue to brick red.

Question 10

What is an ester bond?

Answer 10

The bond that joins glycerol to fatty acids in lipids.

Question 11

Hydrolysis

Answer 11

A reaction that uses water and splits 2 molecules

Question 12

What’s an isomer

Answer 12

Same atoms, different arrangement

Question 13

Maltose

Answer 13

A dimer of alpha glucose