CIE A Level Biology復習筆記4.2.12 Comparing Osmosis in Plants & Animals
Osmosis in Cells: Comparison Comparing & Contrasting the Movement of Water by Osmosis in Plant & Animal Cells Table 轉載自savemyexams
CIE A Level Biology復習筆記4.2.11 Osmosis in Animals
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), through ...
CIE A Level Biology復習筆記4.2.10 Osmosis in Plant Cells
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), through a...
CIE A Level Biology復習筆記4.2.9 Estimating Water Potential in Plants
Estimating Water Potential in Plant Tissue It is possible to investigate the effects of immersing plant tissue in?solutions of different water potentials?and then?use the results to estimate the wa...
CIE A Level Biology復習筆記4.2.8 Investigating Surface Area
Investigating SA with Agar The effect of changing surface area to volume ratio on diffusion can be investigated by timing the diffusion of ions through cubes of agar of different sizes Method Colou...
CIE A Level Biology復習筆記4.2.7 Surface Area to Volume Ratios
Principles of SA:V Surface area?and?volume?are both very important factors in the?exchange of materials?in organisms The surface area refers to the?total area of the organism that is exposed to the...
CIE A Level Biology復習筆記4.2.6 Investigating Diffusion
Investigating Diffusion Investigating diffusion using Visking tubing Visking tubing?(sometimes referred to as dialysis tubing) is a non-living?partially permeable?membrane made from cellulose Pores...
CIE A Level Biology復習筆記4.2.5 Investigating Transport Processes in Plants
Investigating Diffusion & Osmosis: Plant Tissue Investigating diffusion The?permeability?of cell membranes can be affected by environmental factors such as?chemicals or temperature This can be ...
CIE A Level Biology復習筆記4.2.4 Endocytosis & Exocytosis
Endocytosis & Exocytosis The processes of diffusion, osmosis and active transport are responsible for the transport of?individual molecules or ions?across cell membranes However, the?bulk trans...
CIE A Level Biology復習筆記4.2.3 Active Transport
The Process of Active 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 concentration using energy ...
CIE A Level Biology復習筆記4.2.2 Osmosis
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 a dilu...
CIE A Level Biology復習筆記4.2.1 Diffusion
Diffusion & Facilitated Diffusion Diffusion is a type of?transportation?that occurs?across the cell membrane It can be defined as: The net movement, as a result of the random motion of its mole...
