17 Questions
What is the major component of the hard exoskeletons of most arthropods and the cell walls of fungi?
Chitin
How is chitin structurally different from cellulose?
Presence of acetylated amino group
Which type of chitin arrangement includes pairs of parallel sheets separated by single antiparallel sheets?
γ-Chitin
What is the repeating disaccharide subunit of peptidoglycan composed of?
N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)
Which type of glycosaminoglycans are often made up of repeating substituted disaccharide units?
Heparan sulfate
Which oligosaccharide is commonly used in the ABO blood group system?
H antigen
What is the main storage polysaccharide of plants?
Starch
Which type of glucose polymer, found in starch, consists of long unbranched chains of glucose subunits?
Amylose
Which polysaccharide is a major component of the bacterial cell wall?
Peptidoglycan
Which classification do Glycosaminoglycans (GAGs) belong to?
Carbohydrates
What is the term for short chains of linked monosaccharides, containing 2 to 10 sugar units?
Oligosaccharides
What type of bond links the repeating disaccharide units in GAGs?
β-(1,4) glycosidic bond
Which of the following is NOT a classification group for Glycosaminoglycans (GAGs)?
Cellulose cellulose
What is responsible for determining the ABO blood group system?
Type of oligosaccharides present
In the ABO blood group system, what is the standard oligosaccharide for Blood group O?
Fuc-Gal-GlcNAc-Gal
What is the linkage between the Mur2Ac residues in peptidoglycan structure?
β-(1,4) glycosidic bonds
Which of the following is NOT a main classification group for Glycosaminoglycans (GAGs)?
Amylose/amylopectin
Test your knowledge on the structures of carbohydrates in biological molecules like polysaccharides and glycosaminoglycans. Learn about glycosidic bonds, peptidoglycan, and the composition of mucopolysaccharides.
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