NEET Botany Biology Biomolecules Protein MCQs

A novel protein was discovered containing a unique amino acid with a side chain composed of a selenol group (-SeH). Compared to a cysteine residue (-SH) in a similar protein, this selenol-containing amino acid would MOST likely exhibit which property?

A protein undergoes denaturation in a high urea concentration. Which of the following interactions is LEAST likely to be disrupted during this process?

Which amino acid substitution in a protein is MOST likely to disrupt a beta-sheet structure due to steric hindrance?

A protein rich in proline residues is likely to exhibit which characteristic?

The isoelectric point (pI) of a polypeptide with a high content of lysine and arginine residues would be expected to be:

Which chromatographic technique is BEST suited for separating proteins based on their differences in net charge at a given pH?

The monomeric units of proteins are:

What type of bond links amino acids together in a protein chain?

Which level of protein structure describes the sequence of amino acids?

Enzymes are primarily made of which type of biomolecule?