Carbohydrates

Question 0

What size are carbohydrates?

Answer 0

They vary

Question 1

What are carbohydrates made of?

Answer 1

Carbon + hydrogen

Question 2

Glucose linked to glucose forms..

Answer 2

Maltose

Question 3

Glucose linked to fructose forms..

Answer 3

Sucrose

Question 4

Glucose linked to galactose forms..

Answer 4

Lactose

Question 5

When monomers join, a molecule of water is removed, this reactions called a..

Answer 5

Condensation reaction

Question 6

What bond joins monomers together?

Answer 6

Glycosidic bonds

Question 7

Breaking of glycosidic bonds with the adding of water is called a..

Answer 7

Hydrolysis reaction

Question 8

What is the test for reducing sugars?

Answer 8

Benedicts test.
Brick red- high
Light blue- none

Question 9

How do you test for starch?

Answer 9

Using two drops of iodine solution.

Blue- black colour if present

Question 10

What are reducing sugars?

Answer 10

They donate an electron into Benedict reagent. All monomers and done disaccharides can do this.

Question 11

What do polysaccharides breakdown into?

Answer 11

Disaccharides and then monosaccharides

Question 12

What is the general formula for monosaccharides?

Answer 12

(CH2O)n

Question 13

Are polysaccharides soluble or insoluble? And why?

Answer 13

Insoluble, because they are big molecules and are made of several monosaccharides.

Question 14

Where does starch digestion first take place?

Answer 14

Mouth- salivary glands- amylase

Question 15

Where is amylase produced?

Answer 15

Salivary gland and pancreas