Chemically, the formation of a disulfide bond is a(n) _________ reaction reduction oxidation hydration dehydration ester

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Chemically, the formation of a disulfide bond is a(n) _________
reaction
reduction
oxidation
hydration
dehydration
esterification
An apoenzyme
is an enzyme with its prosthetic group
is an enzyme without its prosthetic group
Is a carboxylated
enzyme
both a and c
both b and c
When a sugar is present as a prosthetic group in a protein it is
usually attached to which Aa residue(s) in the peptide
Serine
tyrosine
threonine
all
all except
The Anfinsen experiment with ribonuclease A showed that
the enzyme requires a cofactor
the enzyme is resistant to oxidation by β-Me-ETOH
That 8 M urea disrupts covalent interactions
amino acid determines 3-D structure
that air oxidation denatures
proteins
β-pleaded sheets are characterized by:
a zigzag structure
polypeptides are up to 15 residues in length
chains run only in the same
direction
all of the
above
only a and b
answer all plz