Skip to content

Course home

Sign up

Amino acids, proteins and DNA (A-level only)

EasyMedium
12345678910111213141516171819202122
Question 20

Which statement about CH3CH(NH2)COOH\text{CH}_3\text{CH(NH}_2)\text{COOH}CH3​CH(NH2​)COOH is correct?

A

It is insoluble in water.

B

It is a monomer used to make DNA.

C

It has no optical isomers.

D

It reacts with both dilute hydrochloric acid and sodium hydroxide.

Markscheme

Amino acids, proteins and DNA (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Amino acids, proteins and DNA (A-level only)

30 exam-style questions on AQA A Level Chemistry Amino acids, proteins and DNA (A-level only), covering Amino acids (A-level only), Proteins (A-level only), Enzymes (A-level only), DNA (A-level only), and Action of anticancer drugs (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank