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Combined Science
OCR GCSE Combined Science A
Scaling Up Biological Systems
OCR GCSE Combined Science A · J250 · Topic B2
Scaling Up Biological Systems
Paper 1
· 16 notes
Explain how cells transport substances across their membranes using diffusion, osmosis, and active transport.
Understand the role and presence of stem cells in both plant and animal organisms.
Describe how stem cells divide, differentiate, and specialize to form organized tissues, organs, and organ systems.
B2.1
Cellular Supply and Transport
B2.1a
Cellular Transport Mechanisms
B2.1b
Mitosis and the Cell Cycle
B2.1c
Importance of Cell Differentiation
B2.1d
Presence of Stem Cells
B2.1e
Functions of Stem Cells
B2.1f
Embryonic vs Adult Stem Cells
B2.2
Challenges of Biological Size
B2.2a
Exchange Surfaces and Surface Area to Volume Ratio
B2.2b
Substances Transported by Organisms
B2.2c
Human Circulatory System
B2.2d
Heart and Blood Vessel Adaptations
B2.2e
Adaptations of Red Blood Cells and Plasma
B2.2f
Water and Mineral Uptake in Plants
B2.2g
Transpiration and Translocation
B2.2h
Xylem and Phloem Adaptations
B2.2i
Environmental Effects on Water Uptake
B2.2j
Investigating Water Uptake with a Potometer
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