Nomenclature

Question 1

Deoxysugar

Answer 1

A monosaccharide with 1 or more OH replaced with just a H

Question 2

Amino sugar

Answer 2

Sugars with an amine group on C2

Question 3

Sugar phosphate

Answer 3

Sugar with an ester linkage to a phosphate

Question 4

Aldose

Answer 4

A sugar with an aldehyde group

Question 5

Ketose

Answer 5

A sugar with a ketone group

Question 6

Peptoglycans

Answer 6

Polymer of sugars and amino acids that form a layer over the cell wall

Question 7

Glycoproteins

Answer 7

Proteins that contain oligosacchirides covalently linked to amino acid side chains

Question 8

O-linked oligosacchirides (O-Glycans)

Answer 8

Sugar residue is attached to OH groups of Serine or Threonine

Question 9

N-linked oligosacchirides (N-Glycans)

Answer 9

Sugar residue is attached via an amide bond to asparagine

Question 10

Reducing sugar

Answer 10

A sugar that can reduce Benedict’s reagent (I.e. Maltose)

Needs the anomeric carbon to be able to open up

Question 11

Proteoglycans

Answer 11

Proteins that are heavily glycosylated

Question 12

Sugar alcohols

Answer 12

Lack a carbonyl group, have OH group instead

Question 13

Amylose

Answer 13

Unbranched polymer of glucose

has a-1,4 linkages

has 1 reducing end

Question 14

Amylopectin

Answer 14

Branches every 12-30 residues

has a-1,4 linkages between residues in a chain

has a-1,6 linkages between the chain and branch residues

Question 15

Cellulose

Answer 15

Structural CHO

Has B-1,4 linkages which make it linear

has lot’s of H-Bonds