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HomeAQA GCSE ChemistryAmino acids, proteins and DNA as naturally occurring polymers
AQA · GCSE · Chemistry

Amino acids, proteins and DNA as naturally occurring polymers
Practice Questions

40 AQA GCSE Chemistry questions on Amino acids, proteins and DNA as naturally occurring polymers, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Amino acids, proteins and DNA as naturally occurring polymers

Question 1 · 1 mark · Difficulty 1/3

Which molecule stores the genetic instructions a cell uses to make its proteins?

  1. Cellulose
  2. Starch
  3. DNA
  4. Poly(ethene)
Show answer & explanation
✓ Answer: CDNA
Award 1 mark. Starch and cellulose are storage and structural polymers of glucose and carry no information, and poly(ethene) is not found in living things at all.
Question 2 · 1 mark · Difficulty 1/3

Which two functional groups are present in every amino acid?

  1. Two carboxylic acid groups
  2. Two amino groups
  3. An amino group and a carboxylic acid group
  4. A hydroxyl group and an amino group
Show answer & explanation
✓ Answer: CAn amino group and a carboxylic acid group
Award 1 mark. Having one group of each kind at opposite ends is what lets amino acids join head to tail into a long chain.
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AQA GCSE Chemistry: Amino acids, proteins and DNA as naturally occurring polymers FAQ

Is Kramizo free for AQA GCSE students preparing for Chemistry?
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Are the Amino acids, proteins and DNA as naturally occurring polymers questions aligned to the official AQA GCSE Chemistry syllabus?
Every question is written against the published AQA GCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Amino acids, proteins and DNA as naturally occurring polymers typically tested on AQA GCSE Chemistry papers?
Amino acids, proteins and DNA as naturally occurring polymers appears across multiple question types on real AQA GCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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