A-Level BiologyYear 2018Q8
page 07 8. The following statements describe stages in the Calvin Cycle (carbon fixation). 1 Carbon dioxide attaches to ribulose bisphosphate (RuBP) producing 3-phosphoglycerate (3PG). 2 3-phosphoglycerate (3PG) forms glyceraldehyde-3-phosphate (G3P). 3 Glyceraldehyde-3-phosphate (G3P) regenerates ribulose bisphosphate (RuBP). Which row in the table identifies the stage which is catalysed by RuBisCO and the stage which requires hydrogen? Catalysed by RuBisCO Requires hydrogen A 1 2 B 1 3 C 3 1 D 3 2 [Turn over
Paper Source:NH_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)