Assertion :The long protein chain is folded upon itself like a hollow ball giving rise to the tertiary structure. Reason: Tertiary structure gives a 3-dimensional view of a protein.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The primary structure of protein is the sequence of amino acids in a chain. i.e., the positional information in a protein. In the secondary structure protein thread is folded in the form of helix or in the sheet form. The long protein chain is also folded upon itself like a hollow woollen ball, giving rise to the tertiary structure This gives us a 3-dimensional view of a protein. Tertiary structure is absolutely necessary for many biological activities of proteins.
So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion'.

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In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.

(a) Assertion and Reason both are correct statements an Reason is correct explanation for Assertion.

(b) Assertion and Reason both are correct satements but Reason is not correct explanation for Assertion.

(d) Assertion is wrong statement but Reason is correct statement.

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(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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