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7.3 Synthetic and naturally occurring polymers

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Question 2
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The table gives information about four naturally occurring polymers.

Table: Four naturally occurring polymers and the monomers they are made from

PolymerMonomer
DNA
Proteinamino acids
Starchglucose
Cellulose
a.

Complete the table to give the monomers that DNA and cellulose are made from.

[2]
b.

Give one reason why DNA is essential for life.

[1]
c.

Describe the shape of most DNA molecules.

[1]
Markscheme

7.3 Synthetic and naturally occurring polymers Questions

  1. GCSE
  2. /Chemistry
  3. /7.3 Synthetic and naturally occurring polymers

40 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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