Within living organisms, two key polymerisations take place: protein synthesis and DNA formation.
(a)[3]
Finish the table by putting a tick (✓) in the correct column to show which process each substance may be involved in.
(b)[4]
Proteins and DNA have different helical arrangements. Briefly describe the bonds that maintain the shape of each helical structure.
(c)[3]
Describe how the bonding differs between the primary and tertiary structures of proteins. Your response should refer to both the type of bonding and the kinds of amino acid involved.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Adenine and phosphate are used in DNA; alanine and aspartate are used in protein synthesis” …