Proteins (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What makes the primary structure of proteins highly stable?
What makes the primary structure of proteins highly stable?
Strong covalent peptide bonds
How many amino acids typically form approximately five coils in an -helix?
How many amino acids typically form approximately five coils in an -helix?
18 amino acids
What range of amino acids does a -pleated sheet typically span?
What range of amino acids does a -pleated sheet typically span?
3 to 10 amino acids
Which groups form ionic bonds in the tertiary structure of proteins?
Which groups form ionic bonds in the tertiary structure of proteins?
and groups
Which amino acid contains groups that form disulfide bonds?
Which amino acid contains groups that form disulfide bonds?
Cysteine
What three components make up a nucleotide?
What three components make up a nucleotide?
Phosphate, sugar, base
In DNA's double helix, which base pairs with adenine (A)?
In DNA's double helix, which base pairs with adenine (A)?
Thymine (T)
What does cisplatin bind to in DNA to block replication?
What does cisplatin bind to in DNA to block replication?
Two adjacent guanine bases
Which agents are used to visualize amino acids in TLC?
Which agents are used to visualize amino acids in TLC?
Ninhydrin or UV light
How is the value calculated in chromatography?
How is the value calculated in chromatography?
Amino acid distance ÷ Solvent distance
