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Home Q & A Board Biology-Related Homework Help Biochemistry
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mr3steps mr3steps
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4 years ago
Describe the denaturation process in each of the following:
a.   An appetizer known as ceviche is prepared without heat by placing slices of raw fish in a solution of lemon or lime juice. After 3 or 4 h, the fish appears to be “cooked.”
b.   When baking scalloped potatoes, the added milk curdles (forms solids).

Why is a dilute solution of AgNO3 used to disinfect the eyes of newborn infants?
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#1
4 years ago
a.   The acids in lemon or lime juice break down the hydrogen bonds between polar residues and disrupt salt bridges, which denature the proteins of the fish.
b.   The heat during baking breaks apart hydrogen bonds and hydrophobic interactions between nonpolar residues in the milk proteins. When the milk denatures, the proteins become insoluble and form solids called curds.
The heavy metal Ag+ denatures the proteins in bacteria that cause gonorrhea.
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