(Exam 2) Important Dissaccharides

Question 0

Galactose + Glucose

Answer 0

Lactose

Question 1

Glucose + Fructose

Answer 1

Sucrose

Question 2

Glucose + Glucose

Answer 2

Maltose

Question 3

Glucose + Glucose in Alpha-1,6- Linkage

Answer 3

Isomaltose

Question 4

• Not a reducing sugar

* Present in sugar cane and other fruit

Answer 4

Sucrose

Question 5

• Reducing sugar

* Found in milk

Answer 5

Lactose

Question 6

• Reducing sugar

* Product of hydrolysis of starch

Answer 6

Maltose

Question 7

• Reducing sugar

* Product of starch & glycogen partial hydrolysis

Answer 7

Isomaltose

Question 8

*Mixture of amylose which is a ________ ________ and amylopectin which is _________.

Answer 8

Starch

• Amylose (straight chain) 25%
• Amylopectin (branched) 75%

Question 9

Known as “animal starch” and serves as reserve carbohydrates in animals. It’s similar to amylopectin, but more highly branched.

Answer 9

Glycogen

Question 10

The most abundant of all carbohydrates on this planet.

Answer 10

Cellulose

Not digested by humans

Question 11

Carbohydrates that are attached to non-carbohydrates, which include purine/pyrimidine bases, steroids, lipids, and proteins.

Answer 11

Aglycones

Question 12

Human Monosaccharides:
5 Carbons - Pentose (Ex. ?)
6 Carbons - Hexose (Ex. ?)
9 Carbons - Nonose (Ex. ?)

Answer 12

5 - Pentose - Ribose
6 - Hexose - Glucose
9 - Nonose - Neuraminic Acid