Immunoglobulins, or antibody molecules, have an important role in the immune system - VCE - SSCE Biology - Question 1 - 2016 - Paper 1
Question 1
Immunoglobulins, or antibody molecules, have an important role in the immune system. They are made up of two heavy chains and two light chains.
**a.** Name the mole... show full transcript
Worked Solution & Example Answer:Immunoglobulins, or antibody molecules, have an important role in the immune system - VCE - SSCE Biology - Question 1 - 2016 - Paper 1
Step 1
a. Name the molecular monomer of these chains.
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Answer
The molecular monomer of these chains is an amino acid.
Step 2
b. Give the name of each structure in the boxes provided.
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Answer
The first box points to a structure that is an alpha helix.
The second box indicates a structure known as a beta-pleated sheet.
Step 3
c. Explain what 'quaternary' means.
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Answer
Quaternary structure refers to the arrangement of multiple polypeptide chains or proteins into a functional structure, formed by the interaction of heavy and light chains in the immunoglobulin molecule. This structure is crucial as it allows the antibody to carry out its immune functions effectively.
