A-Level BiologyYear 2018Q3
page 03 3. The three-dimensional structure of a protein is shown. region X Which row in the table describes region X? Type of secondary structure Bonding that stabilises secondary structure A β-sheet peptide B α-helix peptide C β-sheet hydrogen D α-helix hydrogen [Turn over
Paper Source:NAH_Biology_all_2018.pdf
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Exam Specification Info
This question is part of the UK A-Level Biology syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectBiology
Official MarksVariable (2–6 marks)