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6.2 Organic chemistry

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Question 22
F

Statement 1: Starch and cellulose are both polymers made from sugar monomers.

Statement 2: DNA is made from only one type of nucleotide.

Statement 3: Glycine, H2N−CH2−COOH\mathrm{H_{2}N{-}CH_{2}{-}COOH}H2​N−CH2​−COOH, can join with other molecules like it to form a protein.

Statement 4: Proteins are polymers made from nucleotide monomers.

Which statements are correct?

[1]
A

1 and 3 only

B

1, 2 and 3 only

C

3 and 4 only

D

1 and 4 only

Markscheme

6.2 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Organic chemistry

63 exam-style questions on OCR GCSE Chemistry 6.2 Organic chemistry, covering 6.2.1 Crude oil and fractional distillation, 6.2.2 Cracking and dependence on hydrocarbons, 6.2.3 Functional groups and homologous series, 6.2.4 Reactions of alkanes, alkenes and alcohols, 6.2.5 Addition polymerisation and repeat units, 6.2.6 Naturally occurring polymers, 6.2.7 Chemical cells and fuel cells, and 6.2.8 Condensation polymerisation and how to make one. Each one has a worked solution and a mark scheme showing where the marks go.

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