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proteins E
Proteins E
7
Chemistry
Undergraduate 1
11/09/2008

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Term
What is the process of destroying the native conformation of a protein by chemical or physical means?
Definition
Denaturation
Term
What is denaturation and is it reversible
Definition
Pocess of destroying the native conformation of a protein by chemical or physical means and can or cannot be reversible
Term
Name an irreversible denaturing agent
Definition
Heat-disrupts hydrogen bonding and precipitation may take place
Term
Name two ways to denature a protein tha is reversible?
Definition
6M aqueous urea; alcohols-70% ethanol disrupts hydrogen bonding
Term
What ions form water-insoluble salts with SH groups when denaturing a protein?
Definition
Heavy metal ions Pb2+, Hg2+, and Cd2+
Term
Which reducing agents form reversible denaturizing reactions with proteins?
Definition
2-mercaptoethanol cleaes disulfide bonds by reducing s-s groups to s-H groups
Term
Do detergents denature proteins reversibly?
Definition
Yes, surfact-active agents sodium dedecylulfate, sds distupt hydrogen bonding
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