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Q. No.Which of the following statements is Wrong?
1. Hydrogen bonds are crucial for stabilising the alpha helical structure in a given protein
2. Transient state structure of the substrate formed during an enzymatic reaction is high energy
3. Complementary base pairing is applicable to RNA if needed
4. Concanavalin A is a lectin which is categorised as a primary metabolite
Subtopic: Primary & Secondary Metabolites |
72%
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Which of the following is not a fatty acid?
1. Uridylic acid
2. Palmitic acid
3. Stearic acid
4. Arachidonic acid
1. Uridylic acid
2. Palmitic acid
3. Stearic acid
4. Arachidonic acid
Subtopic: Nucleic Acid |
76%
From NCERT
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Select the correct set w.r.t essential amino acids
1. Glycine, methionine, cystine
2. Glutamic acid, histidine, serine
3. Tyrosine, lysine, proline
4. Leucine, valine, phenylalanine
1. Glycine, methionine, cystine
2. Glutamic acid, histidine, serine
3. Tyrosine, lysine, proline
4. Leucine, valine, phenylalanine
Subtopic: Amino Acids |
69%
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Substitution of methane can result in formation of
1. Monosaccharides
2. Amino acids
3. Glycerol
4. Nucleic acids
1. Monosaccharides
2. Amino acids
3. Glycerol
4. Nucleic acids
Subtopic: Amino Acids |
87%
From NCERT
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Competitive inhibitor of an enzyme
1. Increases Km value of substrate for that enzyme
2. Decreases Km value of substrate for that enzyme
3. Decreases Vmax value of the enzymatic
4. Increases Vmax value of the enzymatic reaction
1. Increases Km value of substrate for that enzyme
2. Decreases Km value of substrate for that enzyme
3. Decreases Vmax value of the enzymatic
4. Increases Vmax value of the enzymatic reaction
Subtopic: Enzyme Inhibition |
68%
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Biomicromolecule present in acid soluble pool is a
1. Nucleic acid
2. Nucleotide
3. Protein
4. Polysaccharides
1. Nucleic acid
2. Nucleotide
3. Protein
4. Polysaccharides
Subtopic: Element Analysis |
69%
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Subtopic: Carbohydrates |
72%
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Select the option which is mismatched
| 1 | Transferases | - | Transfer of specific groups other than hydrogen from one substrate to another |
| 2 | Isomerases | - | Catalyse the rearrangement of molecular structure to form isomers |
| 3 | Ligases | - | Catalyse the cleavage of substrate into two parts, without hydrolysis |
| 4 | Dehydrogenases | - | Catalyse oxidation-reduction reaction involving transfer of electrons. |
Subtopic: Enzymes Classification |
76%
From NCERT
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The graph given below is showing the concept of activation energy. Idenity A and B in options given below.
| A | B | |
| 1 | Transition state | Potential energy |
| 2 | Potential energy | Transition state |
| 3 | Activation energy without enzyme | Activation energy with enzyme |
| 4 | Activation energy with enzyme | Activation energy without enzyme |
Subtopic: Enzyme Catalysis |
85%
From NCERT
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Subtopic: Amino Acids |
91%
From NCERT
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