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Exam (elaborations)

AQA As level Biology Paper 1 2026 Mark Scheme

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AQA As level Biology Paper 1 2026 Mark Scheme

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AQA As level Biology Paper 1 2026 Mark Scheme



[DOCUMENT TITLE]
[Document subtitle]




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, Definition




Definition 1 of 20

Occurs in Bowman's Capsule due to blood pressure and hydrostatic pressure.

Glomerular filtrate formation


Water surface tension


Pathway for oxygen in lungs


Phosphorylation importance

Definition 2 of 20

Occurs when some individuals in a population are naturally resistant to pesticides/antibiotics due to
mutation, allowing them to survive and reproduce.

Natural Selection in Resistant Strains


Inhibitory Neurotransmitter (GABA)


Effect of Low pH on Muscle Contraction


Blood Glucose Concentration Increase

Definition 3 of 20

Binds at allosteric site/away from active site.

Mixed inhibitor


Non-competitive inhibitor


Feedback inhibitor


Competitive inhibitor

4 of 20
The synthesis of glucose from non-carbohydrate sources.

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