Protein: practice question

A Biochemistry question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Biochemistry · Protein

Sample item

What bond links amino acids?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

D. Peptide bond

This item reviews Protein; Peptide bond is the best answer because it directly matches the biochemical or pathological mechanism described.

Option by option

  • A. Glycosidic bond

    Glycosidic bond does not fit the stated mechanism.

  • B. Hydrogen bond only

    Hydrogen bond only is unsupported by the key finding.

  • C. Phosphodiester bond

    Phosphodiester bond is plausible but not the best answer.

  • D. Peptide bond (correct)

    Correct. Peptide bond fits the defining feature.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Biochemistry questions

Questions about this Biochemistry question

What is the answer to this Biochemistry question?

The best answer is D, Peptide bond. This item reviews Protein; Peptide bond is the best answer because it directly matches the biochemical or pathological mechanism described.

Why is "Glycosidic bond" not the answer?

Glycosidic bond does not fit the stated mechanism.

Why is "Hydrogen bond only" not the answer?

Hydrogen bond only is unsupported by the key finding.

Why is "Phosphodiester bond" not the answer?

Phosphodiester bond is plausible but not the best answer.

What concept does this question test?

It tests Protein in Biochemistry. The correct option holds because: Correct. Peptide bond fits the defining feature.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Protein?

Build one table of enzyme deficiency, disease, inheritance and key finding, then revise it by spaced recall. Then use the flashcards and the other Biochemistry questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.