Amino Acids

A test on pages 48-49 of the OCR A A2 chemistry textbook

HideShow resource information

1. What is a zwitterion?

  • The pH value at which the amino acid exists as an isoelectric ion.
  • A dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group.
  • A positively charged form of the amino acid.
  • A negatively charged form of the amino acid.
1 of 13

Other questions in this quiz

2. What is the isoelectric point?

  • The pH value at which a positive amino acid is formed.
  • The pH value at which the amino acid exists as a zwitterion.
  • The pH value at which a negative amino acid is formed.
  • A dipolar ionic form of an amino acid.

3. What are assembled into proteins?

  • Carboxylic acids
  • Amino acids
  • Esters
  • Acids

4. What groups do alpha amino acids (those in the body) need to have?

  • A basic amine group and an acidic carboxyl group connected to the same carbon
  • A basic amine group and an acidic carboxyl group
  • A acidic amine group and a basic carboxyl group
  • A acidic amine group and a basic carboxyl group connected to the same carbon atom

5. What is the simplest amino acid?

  • Alanine
  • Glycine
  • Serine
  • Proline

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Polymers resources »