AQA A Level Biology复习笔记2.5.3 Phagocytosis
Phagocytosis Phagocytes are white blood cells that are produced continuously in the bone marrow They are stored in the bone marrow before being distributed around the body in the blood They ...
AQA A Level Biology复习笔记2.5.2 Antigens
Antigens Every cell in the human body has markers that identify it Microorganisms (both pathogenic and non-pathogenic), such as bacteria and viruses, also have their own unique markers These...
AQA A Level Biology复习笔记2.4.13 Factors Affecting Membrane Fluidity
Required Practical: Factors Affecting Membrane Permeability The permeability of cell membranes is affected by different factors or conditions, such as: Temperature Solvent concentration &nbs...
AQA A Level Biology复习笔记2.4.12 Specialised Cells
Explaining Adaptations in Specialised Cells Specialised cells for diffusion Root hair cells and epithelial cells of the small intestine are examples of cells that are adapted for the rapid t...
AQA A Level Biology复习笔记2.4.11 Adaptations for Rapid Transport
Adaptations for Rapid Transport The rate at which diffusion (including both simple diffusion and facilitated diffusion) occurs across external and internal cell membranes varies Some cells a...
AQA A Level Biology复习笔记2.4.10 Active Transport & Co-transport
The Process of Active Transport & Co-transport Active transport is the movement of molecules and ions through a cell membrane from a region of lower concentration to a region of higher c...
AQA A Level Biology复习笔记2.4.9 Water Potential Calibration Curves
Required Practical: Investing Water Potential Using Calibration Curves It is possible to investigate the effects of immersing plant tissue in solutions of different water potentials and then...
AQA A Level Biology复习笔记2.4.8 Comparing Osmosis in Animal & Plant Cells
Osmosis in Cells: Comparison Comparing & Contrasting the Movement of Water by Osmosis in Plant & Animal Cells Table 转载自savemyexams
AQA A Level Biology复习笔记2.4.7 Osmosis in Animal Cells
Osmosis: Animal Cells Osmosis is the net movement of water molecules from a region of higher water potential (dilute solution) to a region of lower water potential (concentrated solution), t...
