Sugars

Question 1

What is a monosaccharide?

Answer 1

The monomers that make up carbohydrates

Question 2

What are the 2 types of glucose?

Answer 2

1. Alpha (α)

2. Beta (ß)

Question 3

What is a disaccharide?

Answer 3

2 monosccharides joined together

Question 4

How are the 2 monosccharides joined together?

Answer 4

Through a condensation reaction

Question 5

What type of bond forms between the 2 monosccharides?

Answer 5

A Glycosidic bond

Question 6

What has to be released for the glycosidic bond to be made?

Answer 6

Water molecule

Question 7

Give examples of 2 disaccharides.

Answer 7

1. Sucrose

2. Lactose

Question 8

What is the test for reducing sugars?

Answer 8

The benedict’s test

Question 9

What does it tell us when the sample with the Benedict’s reagent stays blue?

Answer 9

That no reducing sugars are present

Question 10

What does it tell us when the sample with the Benedict’s reagent turns green, yellow, orange or red?

Answer 10

That reducing sugars are present

Question 11

What can you add to the experiment to test for Non-Reducing sugars?

Answer 11

1. Dilute hydrochloric acid

2. Neutralise with sodium hydrogencarbonate

Question 12

What monosaccharides make up Sucrose?

Answer 12

1. Glucose

2. Fructose

Question 13

What monosaccharides make up Lactose?

Answer 13

1. Glucose

2. Galactose

Question 14

What monosaccharides make up Maltose?

Answer 14

1. Glucose

2. Glucose