Amino Acids & Peptide Bonds (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are amino acids described as in relation to polypeptides?
What are amino acids described as in relation to polypeptides?
Monomers that form polymers
How many amino acids occur naturally in proteins across all living organisms?
How many amino acids occur naturally in proteins across all living organisms?
20
Which group is NOT attached to the central carbon atom of an amino acid?
Which group is NOT attached to the central carbon atom of an amino acid?
Phosphate group
Which component varies between different amino acids?
Which component varies between different amino acids?
R group (side chain)
What does the R group determine in an amino acid?
What does the R group determine in an amino acid?
Unique properties of the amino acid
Which term describes amino acids that repel water?
Which term describes amino acids that repel water?
Hydrophobic
What type of reaction links amino acids together?
What type of reaction links amino acids together?
Condensation reaction
What is removed when a peptide bond forms between two amino acids?
What is removed when a peptide bond forms between two amino acids?
A water molecule
A peptide bond forms between which atoms of adjacent amino acids?
A peptide bond forms between which atoms of adjacent amino acids?
Carbon of first and nitrogen of second
What process breaks peptide bonds by adding water molecules?
What process breaks peptide bonds by adding water molecules?
Hydrolysis