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i Safari File Edit View History Bookmarks Window Help ??44%) , Mon 1:19 PM a?E webassign.net ? Amino Acids & Proteins Chegg Study Guided Solutions and Study Help Chegg.com Pandora Internet Radio - Listen to Free Music You'll Love 10. -1.75 points TimChem9 16.QP032 My Notes Ask Your Teacher State whether the following statements apply to primary, secondary, tertiary, or quaternary protein structure. (Select athat apply.) (a) Hydrophobic side chains seeking a nonpolar environment move toward the inside of the folded protein. secondary tertiary quaternary (b) Several polypeptides are held together by hydrogen bonds between adjacent chains. primary secondary tertiary quaternary (c) An active protein contains four tertiary subunits. primary secondary tertiary quaternary (d) Peptide bonds join amino acids in a polypeptide chain. primary secondary tertiary quaternan)y (e) Hydrogen bonding between carbonyl oxygen atoms and nitrogen atoms of amide groups causes a polypeptide to coil. primary secondary 16

Explanation / Answer

a. Tertiary structure

In tertiary structure, the hydrophobic side chains of neutral and non polar amino acids move toward inside of the protein thereby shielding them from aqueous media.

b. Quaternary structure.

Quaternary structure of protein contains several polypeptide chains folded together to form the active protein. This is stabilized by various interactions including hydrogen bonding between the polypeptide chains.

c. Quaternary structure

This is the active form of the protein.

d. Primary, seconday, tertiary and quaternay structure

The basic structure of proteins are long chain polypeptides in which amino acids are connected by peptide bonds.

e. Seconday structure

  

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