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Which of these polysaccharides is a branched polymer?


A) chitin
B) amylose
C) cellulose
D) amylopectin
E) hyaluronic acid

F) A) and B)
G) B) and D)

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Matching -______ is a homopolymer composed of β\beta (1-4) -linked N-acetyl-D-glucosamine residues that is the principle structural component of the exoskeleton of various groups of invertebrates.


A) eight
B) deoxy
C) peptidoglycan
D) axial
E) anomers
F) two
G) lactose
H) glyceraldehyde
I) amylopectin
J) epimers
K) sixteen
L) glycogen
M) equatorial
N) chitin
O) hyaluronic acid
P) amylose

Q) A) and E)
R) C) and O)

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Chitin differs from cellulose due to


A) inversion of configuration at the anomeric carbon.
B) sulfonation of the C2 OH group.
C) a much greater prevalence of branching.
D) replacement of the C2 OH group by an acetamido group.
E) replacement of the C6 OH group by an amino group.

F) All of the above
G) A) and E)

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This figure is used in questions . This figure is used in questions .   -Which structure shown in the figure above is ribose? A) A B) B C) C D) D E) None of the above -Which structure shown in the figure above is ribose?


A) A
B) B
C) C
D) D
E) None of the above

F) A) and B)
G) All of the above

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O-linked oligosaccharides are commonly attached to the -OH group of _____.


A) ribose
B) tyrosine
C) lysine
D) threonine
E) glycine

F) B) and D)
G) C) and D)

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Which of these is not an artificial sweetener?


A) saccharine
B) aspartame
C) maltose
D) acesulfame
E) alitame

F) D) and E)
G) B) and E)

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