Which is not a true statement:
 

1. α-carbon of α-amino acid is asymmetric except glycine.
2. Some proteins of human body are found in L-form
3. Human body can synthesize all proteins they need
4. At pH = 7 both amino and carboxylic groups exist in ionized form
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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The structure that represents the peptide chain is:

1.
2.
3.
4.
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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The helical structure of a protein is stabilized by:

1. Hydrogen bonds 2. Ether bonds
3. Peptide bonds 4. Dipeptide bonds 
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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Which functional group participates in disulphide bond formation in proteins:

1. Thioether

2. Thiol

3. Thioester

4. Thiolactone

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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