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Consider the following statements:

(i) Insulin is an example of a heteropolymer.
(ii) The positional information of amino acids in a protein is provided by its primary structure.
(iii) The first amino acid in a protein is called C-terminal amino acid.
(iv) Secondary structure gives us a three-dimensional view of a protein.

Which of the above statements are correct?

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Important Questions on Biomolecules

MEDIUM
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IMPORTANT
In proteins having more than one polypeptide, the manner in which these individually folded polypeptides are arranged with respect to each other (e.g., linear string of spheres, spheres arranged one upon each other in the form of a cube or plate, etc.) is the architecture of a protein otherwise called the_____structure.
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_____________ structure of protein is necessary for the biological activities of proteins
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Which protein structure does the following represent?

Gly - Glu - Ser - Tyr - Cys