Chapter 5: Carbohydrates

Question 1

Monosaccharide

Answer 1

Single sugar monomer molecule

Question 2

Disaccharide

Answer 2

Two sugar monomer molecule

Question 3

Polysaccharide

Answer 3

Many sugar monomer molecule

Question 4

Glycosidic Linkage

Answer 4

When two alcohols on seperate monosaccharides bond together to join the two molecules together. Dehydration rxn.

Question 5

Monosaccharide structure differs in these 3 ways:

Answer 5

of Carbons (hexose vs. pentose, etc.)

Spatial Arrangement (Orientation of hydroxyl groups

Aldehyde vs Ketone (location of carbonyl groups)

Question 6

Which is easier to metabolize: Alpha bonded sugars or beta bonded?

Answer 6

Alpha bonded

Question 7

What are the 4 roles of carbohydrates in cells?

Answer 7

• Structure
• Energy
• Cell Identity (Cell-Cell recognition) (secret handshake)
• Cell Signaling (Cell-Cell signaling)