Required Practical: Factors Affecting Membrane Permeability The?permeability?of?cell membranes?is affected by different?factors?or conditions, such as: Temperature Solvent concentration &nbs...
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...
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...
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...
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...
Osmosis in Cells: Comparison Comparing & Contrasting the Movement of Water by Osmosis in Plant & Animal Cells Table 轉載自savemyexams
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...
Osmosis: Plant 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), th...
The Process of Osmosis All cells are surrounded by a cell membrane which is?partially permeable Water can move in and out of cells by?osmosis Osmosis is the?diffusion of water molecules?from...
