For a protein to have a quaternary structure, it must

Consist of two or more polypeptide subunits

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Consist of four polypeptide subunits

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Have four domains

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Exist in several alternative conformational states

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Solution

The correct option is B Consist of four polypeptide subunits
The quaternary structure of a protein is the overall structure that is the result of the addition of two or more polypeptide subunits.
Hence, the correct answer is 'Consist of two or more polypeptide subunits'.

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For a protein to have a quaternary structure, it must

The correct option is B Consist of four polypeptide subunitsThe quaternary structure of a protein is the overall structure that is the result of the addition of two or more polypeptide subunits.Hence, the correct answer is 'Consist of two or more polypeptide subunits'.

The correct option is B Consist of four polypeptide subunits
The quaternary structure of a protein is the overall structure that is the result of the addition of two or more polypeptide subunits.
Hence, the correct answer is 'Consist of two or more polypeptide subunits'.