Macromolecular building blocks

Question 1

What are glycans?

Answer 1

Carbohydrate chains covalently attached to proteins

Question 2

Purpose of glycosylation?

Answer 2

plays a critical role in protein structure, function and stability. central to the ability of many pathogens to evade the immune system but is also a host target for recognition by viruses.

Question 3

Difference between a nucleotide and a nucleoside?

Answer 3

• nucleotides comprise of a base, ribose sugar and a phosphate
• nucleoside does not have the phosphate group

Question 4

What are the 4 bases in DNA?

Answer 4

Adenine
Guanine
Thymine
Cytosine

Question 5

What are the 4 bases in RNA?

Answer 5

Adenine
Guanine
Cytosine
Uracil

Question 6

What is the general description of a lipid?

Answer 6

hydrophilic head

hydrophobic tail

Question 7

Triacylglycerol vs Glycerophospholipids?

Answer 7

Triacylglycerols - 3 fatty acids attached to one glycerol molecule

Glycerophospholipids - 2 fatty acids, 1 glycerol molecule and a phosphodiester group