Learning objective
Required practical 8: investigate dehydrogenase activity in chloroplast extracts.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
5
Flashcards
7
Questions
Topic
Energy transfers official content
Subtopic
Photosynthesis
Study support
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Short explanation
Assessment focus 140: Required practical 8: investigate dehydrogenase activity in chloroplast extracts.. This learning objective narrows Photosynthesis to the exam skill of: required practical 8: investigate dehydrogenase activity in chloroplast extracts.. Subtopic anchor: Photosynthesis. When data are involved, identify the pattern, quote the relevant comparison and then interpret the biological significance. If the command word asks for explanation, use a linked chain rather than isolated statements. Use the exact assessment boundary "Required practical 8: investigate dehydrogenase activity in chloroplast extracts." when deciding what evidence belongs in the answer. Synoptic links may involve other A-Level Biology topics, but the answer should return to Energy transfers official content and the exact wording of this objective. Exam-ready responses define the relevant term, apply it to the named context, use required practical 8 accurately, and finish with the biological consequence or interpretation required by the question.
Key concepts
Why it matters
This objective helps connect Photosynthesis to exam-style questions, flashcards, and revision notes for Energy transfers official content.
Common mistakes
1 linked- energy transfers practical reasoning mistake: For practical reasoning, state the method, independent variable, dependent variable and one controlled variable; keep the control constant; then evaluate validity, reliability, accuracy, precision, uncertainty, risk and possible improvements. Then link the practical evidence to Required practical 8: investigate dehydrogenase activity in chloroplast extracts.
Revision tools
Choose how to practise
Flashcards5 linked cards
Flashcard 1 of 5
Practice Questions7 linked questions
Question 1 of 7
Choose an answer, get feedback, then move sideways through the set.
Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Describe the light-dependent reaction including chlorophyll photoionisation, electron transfer, ATP production, reduced NADP and photolysis.
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- Describe the Calvin cycle using RuBP, GP, triose phosphate, ATP, reduced NADP and rubisco.
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- Identify environmental factors limiting photosynthesis.
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- Evaluate data on agricultural practices used to overcome limiting factors.
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- Required practicals 7 and 8: investigate leaf pigments by chromatography and dehydrogenase activity in chloroplast extracts.
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