Which of the following proteins exist in their quaternary structure

1. Myoglobin

2. Haemoglobin

3. Globulin

4. Both 1 and 2

Subtopic:  Structural Organisation of Proteins |
 65%
From NCERT
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How many heme groups are present in Haemoglobin

(1)2

(2)1

(3)4

(4)3

Subtopic:  Structural Organisation of Proteins |
 70%
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How many heme groups are present in Myoglobin

(1)2

(2)1

(3)4

(4)3

Subtopic:  Structural Organisation of Proteins |
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How many polypeptide subunits are present in Haemoglobin

(1)2

(2)1

(3)3

(4)None of these

Subtopic:  Structural Organisation of Proteins |
 57%
From NCERT
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Which of the following subunits are present in adult Haemoglobin

(1)2α & 2β type subunits

(2)2α & 2µ type subunits

(3)2β & 2µ type subunits

(4)2α & 2α  type subunits

Subtopic:  Structural Organisation of Proteins |
 96%
From NCERT
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N-SCYE-C is a  hypothetical polypeptide formed by amino acids. Which of the amino acids of the polypeptide is charged?

(1)S

(2)C

(3)Y

(4)E

Subtopic:  Zwitter ion & Peptide Bond |
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14 N-SCYE-C is a  hypothetical polypeptide formed by amino acids. How many water molecules have been released in the formation of that polypetide

(1)4

(2)3

(3)2

(4)1

Subtopic:  Zwitter ion & Peptide Bond |
 73%
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More than 90% of the dry weight of plants is due to:

1. carbon and nitrogen 2. oxygen and hydrogen
3. nitrogen and oxygen 4. oxygen and carbon
Subtopic:  Introduction |
 53%
From NCERT
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Which of the following is primary metabolites?

(1)Carbohydrates

(2)Proteins

(3)Lipids and Nucleic acids

(4)All of these

Subtopic:  Primary & Secondary Metabolites |
 95%
From NCERT
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Which of the following is not true about secondary metabolites?

(1)They have direct role in photosynthesis, respiration and reproduction

(2)They act as toxins or pigments or drugs or lectins

(3) Distribution is limited and restricted to special taxonomic group

(4) Organic compound of diverse nature

Subtopic:  Primary & Secondary Metabolites |
 77%
From NCERT
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