Pick up the highly complex protein:

Correct answer: D. Quaternary protein structure

  • A. Primary protein structure
  • B. Secondary protein structure
  • C. Tertiary protein structure
  • D. Quaternary protein structure

Explanation

The quaternary structure of a protein is the most complex because it involves the organization of multiple polypeptide chains into a single functional unit. This complexity arises from the interactions between these chains, which can include various bonds and interactions. The primary structure is simply the sequence of amino acids, secondary structure involves local folding patterns like alpha helices and beta sheets, and tertiary structure is the three-dimensional configuration of a single chain. However, none of these are as intricate as quaternary structure, which integrates multiple polypeptide units.

Written and checked by , contributorLast updated
Report an error

The more specific you are, the faster it gets fixed. A source beats an opinion.

Prefer email? [email protected]

About Biological Molecules

The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.

Practise Biological Molecules

1,790 free Biological Molecules MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Discussion

Stuck on an option, or know a faster way to get there? Ask or explain it here.

No comments yet. Be the first to explain this one.

Exams that ask Biology questions like this

Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

More Biological Molecules questions