CIE IGCSE Biology: 復習筆記：4.1.1 Chemicals & Life
CIE IGCSE Biology: 復習筆記：4.1.1 Chemicals & Life Chemical Elements Most of the molecules in living organisms fall into three categories:?carbohydrates, proteins and lipids These?all contain ...
OCR A Level Biology:復習筆記2.2.8 Lipids: Structure & Function
Lipids: Structure & Function Triglycerides Triglycerides are?fats and oils Fatty acid and glycerol molecules?are the components that make up triglycerides Fats and oils have a number of importa...
CIE IGCSE Biology: 復習筆記：3.1.8 Proteins & Active Transport
CIE IGCSE Biology: 復習筆記：3.1.8 Proteins & Active Transport Importance of Active Transport: Extended Energy is needed because particles are being moved?against a concentration gradient, in t...
CIE IGCSE Biology: 復習筆記：3.1.7 Active Transport
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：3.1.5 Osmosis Experiments
CIE IGCSE Biology: 復習筆記：3.1.5 Osmosis Experiments Osmosis in Plant Tissues When water moves into a plant cell, the vacuole gets bigger,?pushing the cell membrane against the cell wall Water en...
OCR A Level Biology:復習筆記2.2.7 Lipids & Ester Bonds
Lipids Lipids Lipids are macromolecules that contain carbon, hydrogen and oxygen atoms. Unlike carbohydrates, lipids contain a lower proportion of oxygen Lipids are?non-polar?and?hydrophobic?(insol...
CIE IGCSE Biology: 復習筆記：3.1.7 Active Transport
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...
