Carbohydrates

Question 0

Describe the structure of the beta-glucose ring.

Answer 0

6 carbon ring. OH is above the ring on carbon 1.

Question 1

Describe the structure of the alpha glucose ring.

Answer 1

6 carbon ring. OH is below the ring on carbon 1.

Question 2

What are homopolymers?

Answer 2

Polymers with identical constituent monomers.

Question 3

What are heteropolymers?

Answer 3

Polymers with different constituent monomers.

Question 4

Give some examples of homopolymers.

Answer 4

Starch
Glycogen
Cellulose
Chitin

Question 5

Give an example of heteropolymers.

Answer 5

Glucosaminoglycan

Question 6

What are monosaccharides?

Answer 6

Single/simple sugars

Question 7

Describe a D-form glucose molecule.

Answer 7

The OH on carbon 5 lies to the right.

Question 8

What is the equilibrium ratio between straight chain glucose, alpha ring and beta ring?

Answer 8

0.02%: 38%: 62%

Question 9

Name the type of bond joining monomers of glucose.

Answer 9

Glycosidic

Question 10

Is two glucose molecules were joined together by an alpha (1,4) arrangement, what molecule would result?

Answer 10

Maltose

Question 11

Is two glucose molecules were joined together by an beta (1,4) arrangement, what molecule would result?

Answer 11

Cellobiose

Question 12

What form of glucose can be used by cells and why?

Answer 12

D form as it is biologically active.

Question 13

In a cell, what is the function of starch?

Answer 13

Storage carbohydrate in plants

Question 14

In a cell, what is the function of glycogen?

Answer 14

Storage carbohydrate in animals

Question 15

In a cell, what is the function of cellulose?

Answer 15

Component of cell wall.

Question 16

What type of reaction forms the ester link in fats?

Answer 16

Condensation/ Dehydration synthesis

Question 17

How is a glycosidic bond formed?

Answer 17

Condensation reaction