A sugar is classified as an L-isomer if the hydroxyl group
A) on the chiral carbon closest to the carbonyl group points to the left.
B) on the chiral carbon closest to the carbonyl group points to the right.
C) on the chiral carbon farthest from the carbonyl group points to the left.
D) on the chiral carbon farthest from the carbonyl group points to the right.
E) on the end carbon farthest from the carbonyl points to the left.
Correct Answer:
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Q21: A hemiacetal linkage consists of a
A)carbon atom
Q23: Mutarotation is process where
A)glucose undergoes reaction to
Q28: Fructose is similar to glucose and galactose
Q29: When a monosaccharide forms a cyclic hemiacetal,the
Q32: The conversion of cyclic glucose between the
Q39: A glycosidic bond is
A)a bond between any
Q50: _ of glucose leads to gluconic acid.
A)Oxidation
B)Reduction
C)Isomerization
D)Glycosidation
E)Esterification
Q51: Common reducing reactions of monosaccharides are due
Q57: Lactose results from reacting glucose at its
Q60: Which molecule is not a reducing sugar?
A)lactose
B)maltose
C)sucrose
D)glucose
E)galactose
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