BIOCHEMISTRY: Fill in the blanks. No a nswer is used more than once. (a) _______
ID: 505961 • Letter: B
Question
BIOCHEMISTRY: Fill in the blanks. No a nswer is used more than once.
(a) _________ sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen atom.
(b) _________ is a homopolymer composed of (1 - 4) - linked N - acetyl - D - glucosamine residues that is the principle structural component of the exoskeleton of various groups of invertebrates.
( c) _________ is a homopolysaccharide that cannot be digested by mammalian salivary, gastric, or pancreatic enzymes.
(d) N - linked sugars a re attached to proteins as a 14 - residue oligosaccharide during translation in the ___________.
(e) ____________ is a galactose joined to a glucose by a - 1,4 glycosidic bond.
Explanation / Answer
a. deoxy sugars are monosaccharides in which a hydroxyl group is replaced with a hydrogen atom.
b. chitin is a homopolymer composed of (1 - 4) - linked N - acetyl - D - glucosamine residues that is the principle structural component of the exoskeleton of various groups of invertebrates.
c. cellulose is a homopolysaccharide that cannot be digested by mammalian salivary, gastric, or pancreatic enzymes.
d. N - linked sugars a re attached to proteins as a 14 - residue oligosaccharide during translation in the endoplasmic reticulum
e. lactose is a galactose joined to a glucose by a - 1,4 glycosidic bond.
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