Quaternary structure of proteins are formed by

(A)primary structure of proteins

(B)Secondary structure of proteins

(C)Tertiary structure of proteins

(D)Quaternary structure of proteins

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Which of the following proteins exist in their quaternary structure

(A)Myoglobin

(B)Haemoglobin

(C)Globulin

(D)Both A and B

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How many heme groups are present in Haemoglobin

(A)2

(B)1

(C)4

(D)3

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How many heme groups are present in Myoglobin

(A)2

(B)1

(C)4

(D)3

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How many polypeptide subunits are present in Haemoglobin

(A)2

(B)1

(C)3

(D)None of these

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Which of the following subunits are present in adult Haemoglobin

(A)2α & 2β type subunits

(B)2α & 2µ type subunits

(C)2β & 2µ type subunits

(D)2α & 2α  type subunits

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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?

(A)S

(B)C

(C)Y

(D)E

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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

(A)4

(B)3

(C)2

(D)1

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Which of the following is true about primary metabolites?

(1)compounds which are products of essential pathways of plants

(2)Universally present in all plant kingdom

(3)It’s absence leads to death of plant cell

(4)All of the above

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Which of the following is primary metabolites?

(1)Carbohydrates

(2)Proteins

(3)Lipids and Nucleic acids

(4)All of these

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