OCR GCSE Biology A Gateway revision notes
Scaling up Revision Notes
Study Scaling up with curriculum-aligned Revision Notes resources, practice links, and exam-focused support.
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Scaling up
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Empty cells (4) diagram
Specification Link
This cell membrane diagram is used for: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport.
What To Explain
The membrane controls movement into and out of the cell, with some substances needing specific proteins or diffusion gradients.
Exam Answer Move
This matches the objective: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport. A creditworthy answer explains selective movement across the cell surface.
Empty cells (2) diagram
Specification Link
This cell membrane diagram is used for: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport.
What To Explain
The membrane controls movement into and out of the cell, with some substances needing specific proteins or diffusion gradients.
Exam Answer Move
This matches the objective: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport. A creditworthy answer explains selective movement across the cell surface.
Cell membrane diagram
Specification Link
This cell membrane diagram is used for: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport.
What To Explain
The membrane controls movement into and out of the cell, with some substances needing specific proteins or diffusion gradients.
Exam Answer Move
This matches the objective: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport. A creditworthy answer explains selective movement across the cell surface.
Empty cells (1) diagram
Specification Link
This cell membrane diagram is used for: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport.
What To Explain
The membrane controls movement into and out of the cell, with some substances needing specific proteins or diffusion gradients.
Exam Answer Move
This matches the objective: Account for the way substances are transported into and out of cells through diffusion, osmosis and active transport. A creditworthy answer explains selective movement across the cell surface.
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