Chromosome Structure Chromosomes are made of?one?very long, condensed DNA molecule?associated with proteins (in eukaryotic cells) The main proteins present are the large positively charged globular...
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), through ...
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...
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...
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...
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...
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...
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 ...
