O
             ll
NH2-CH-C-NH-CH2-CO2H
         l
       CH3

Identify the amino acid obtained by hydrolysis of the above compound :-

1. Glycine

2. Alanine

3. Both (1) and (2)

4. None of the above

 

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 69%
From NCERT
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At iso-electric point:

(1) conc. of cation is equal to conc of anion

(2) Net charge is zero.

(3) Maximum conc. of di-polar ion (Zwitterion) will be present

(4) All of the above

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 81%
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Which of the following amino acid has the lowest iso-electric point?

1. Glycine

2. Alanine

3. Aspartic acid

4. Lysine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Find iso-electric point of given amino acid

        CH3CHCO2H
           |
         NH3pKa = 2.2              pKb = 4.4

(1) 3.3

(2) 5.9

(3) 9.6

(4) 11.8

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

Find an iso-electric point of the given amino acid

1. 5.5

2. 6.5

3. 3

4. 5

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

H-CC-H H2SO4HgSO4A (2)H3O1NH3+HCN(B) Product (B) of given reaction is:

(1) Glycine

(2) Alanine

(3) valine

(4) Leucine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 52%
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Which amino acid does not contain a chiral center?

1. Valine

2. Leucine

3. Glycine

4. Iso-leucine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 78%
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following pair gives same phenyl osazone ?

(1) D-Glucose and D-Allose

(2) D-Glucose and D-Alfrose

(3) D-Glucose and D-Mannose

(4) D-Glucose and D-Talose

Subtopic:  Polysaccharides & their Importance |
 83%
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Among the three compounds shown below, two yield the same product on reaction with warm HNO3. The exception is:-

(1)

(2)

(3)

(4) None of these

Subtopic:  Carbohydrates - Classification & D-L configuration |
 65%
From NCERT
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For the complex conversion of D-glucose into the corresponding osazone, the minimum number of equivalents of phenyl hydrazine required is :

(1) two

(2) three

(3) four

(4) five

Subtopic:  Polysaccharides & their Importance |
 85%
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