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CIE IGCSE Biology: 復習筆記：3.1.7 Active Transport Active Transport Active transport is the movement of particles through a cell membrane from a region of?lower concentration?to a region of?higher...
CIE IGCSE Biology: 復習筆記：3.1.6 Osmosis in Animals & Plants
CIE IGCSE Biology: 復習筆記：3.1.6 Osmosis in Animals & Plants Osmosis in Plant Tissues When water moves into a plant cell, the vacuole gets bigger,?pushing the cell membrane against the cell w...
CIE IGCSE Biology: 復習筆記：3.1.4 Osmosis
CIE IGCSE Biology: 復習筆記：3.1.4 Osmosis 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...
CIE IGCSE Biology: 復習筆記：3.1.3 Water
CIE IGCSE Biology: 復習筆記：3.1.3 Water Water as a Solvent Water is important for all living organisms as?many substances are able to dissolve in it?(it is a?solvent) This makes it incredibly usef...
OCR A Level Biology:復習筆記2.2.6 Biochemical Tests: Reducing Sugars & Starch
Biochemical Tests: Reducing Sugars & Starch There are a number of tests that can be carried out quickly and easily in a lab to determine if a sample contains a certain type of sugar The followi...
OCR A Level Biology:復習筆記2.2.5 Polysaccharides
Polysaccharides: Structure Starch,?glycogen?and?cellulose?are?polysaccharides Polysaccharides are macromolecules (polymers) that are formed by?many?monosaccharides joined by?glycosidic?bonds in a?c...
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OCR A Level Biology:復習筆記2.2.4 The Glycosidic Bond
The Glycosidic Bond Forming the glycosidic bond To make monosaccharides more suitable for transport, storage and to have less influence on a cell’s?osmolarity, they are bonded together to form disa...
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OCR A Level Biology:復習筆記2.2.3 Monosaccharides
Monosaccharides Sugars can be classified as reducing or non-reducing; this classification is dependent on their ability to donate electrons Reducing sugars?can?donate electrons (the carbonyl group ...
OCR A Level Biology:復習筆記2.2.2 Monomers & Polymers
Monomers & Polymers There is a massive variety of life within and between organisms however the biochemical basis of life is similar for all living things The key molecules that are requ...
