Carbohydrates 6

Question 1

sugars are commonly attached to proteins in a process called ___________

Answer 1

glycosylation

Question 2

majority of proteins in the ____________ are glycosylated

Answer 2

endoplasmic reticulum

Question 3

What are the five classes of glycosylated products?

Answer 3

N-linked glycans
O-linked glycans
Phosphoglycans
Glypiation
C-linked glycans

Question 4

glycosylated products where multiple carbohydrates are attached via glycosidic bonds

Answer 4

glycans

Question 5

carbohydrate attached to N-group of asparagine or arginine side chains

Answer 5

N-linked glycans

Question 6

In N-linked glycans, carbohydrate attached to N-group of __________ or __________ side chains

Answer 6

asparagine and arginine

Question 7

carbohydrates attached to OH of serine, threonine, tyrosine hydroxyproline, hydroxylysine or lipids

Answer 7

O-linked glycans

Question 8

attachment to a phosphoserine

Answer 8

Phosphoglycans

Question 9

linkage of a phosphatidyl inositol to link proteins to lipids via glycan linkages

Answer 9

glypiation

Question 10

sugar attached to a carbon on a tryptophan side chain

Answer 10

C-linked glycans

Question 11

In O-linked glycans, carbohydrates attached to OH of _____________________ hydroxyproline, hydroxylysine or lipids

Answer 11

serine, threonine, tyrosine

Question 12

In C-linked glycans, sugar attached to a carbon on a ________ side chain

Answer 12

tryptophan

Question 13

glycosylated proteins on the plasma membrane serve as

Answer 13

cellular identifiers

Question 14

blood types arise from ______________ of a blood cell membrane protein

Answer 14

differential glycosylation