Enzymes are made up of:

1. Edible proteins.

2. Proteins with specific structures.

3. Nitrogen-containing carbohydrates.

4. Carbohydrates.

Subtopic:  Vitamins, Hormones & Enzymes |
 92%
From NCERT
AIPMT - 2002
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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 |
From NCERT
AIPMT - 2002
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Among the following, reducing sugar is:

1. Galactose

2. Gluconic acid

3. β-methyl galactoside

4. Sucrose

Subtopic:  Polysaccharides & their Importance |
 72%
From NCERT
AIPMT - 2002
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A compound that gives a positive Fehling solution test is: 

1. Sucrose 2. Glucose
3. Fats 4. Protein
Subtopic:  Polysaccharides & their Importance |
 87%
From NCERT
AIPMT - 2001
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Which is the correct statement among the following?

1. Starch is a polymer of α-glucose 
2. Amylose is a component of cellulose
3. Proteins are composed of only one type of amino acid
4. In the cyclic structure of fructose, there are four carbons and one oxygen atom
Subtopic:  Polysaccharides & their Importance |
 63%
From NCERT
AIPMT - 2001
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Reducing sugars are -

1. Carbohydrates that reduce Fehling’s solution and Tollen’s reagent.
2. Carbohydrates that reduce only Tollen’s reagent.
3. Carbohydrates that reduce only Fehling’s solution .
4. Carbohydrates that reduce HI

Subtopic:  Carbohydrates - Classification & D-L configuration |
 93%
From NCERT
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The term glycosidic linkage means :

1. Two monosaccharide units bonded by an oxygen atom.
2. Two monosaccharide units bonded by a sulphur atom.
3. Two peptide units bonded by an oxygen atom.
4. Two peptide units bonded by an hydrogen atom.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 83%
From NCERT
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The secondary structure of protein is represented by:
1. α-Helix structure
2. β-Pleated sheet structure
3. Both 1 and 2
4. None of the above
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 89%
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α-helix structure of proteins is stabilized by :

1. H-bonds formed between the −SH and C=O group.
2. H-bonds formed between the −NH and C=O group.
3. Ionic bonds formed between the −SH and C=O group.
4. Ionic bonds formed between the −NH and C=O group.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 86%
From NCERT
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Amino acids exhibit amphoteric behavior as:

1. They can act both as an acid and as a base.

2. They can act only as an acid but not as a base.

3. They can act only as a base but not an acid.

4. None of the above.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 95%
From NCERT
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