OCR A Level Biology:复习笔记2.6.1 The Cell Cycle
The Cell Cycle Mitosis is part of a precisely controlled process known as the cell cycle The cell cycle is the regulated sequence of events that occurs between one cell division and the next The ce...
CIE IGCSE Biology: 复习笔记：6.1.9 Limiting Factors: Extended
CIE IGCSE Biology: 复习笔记：6.1.9 Limiting Factors: Extended Limiting Factors: Extended If a plant is given unlimited sunlight, carbon dioxide and water and is at a warm temperature, the limit on ...
OCR A Level Biology:复习笔记2.5.9 Practical: Investigating Water Potential
Practical: Investigating Water Potential Practical 1: Investigating water potential using potato cylinders It is possible to investigate the effects of immersing plant tissue in solutions of differ...
CIE IGCSE Biology: 复习笔记：6.1.8 Photosynthesis Chemical Equation: Extended
CIE IGCSE Biology: 复习笔记：6.1.8 Photosynthesis Chemical Equation: Extended Photosynthesis Chemical Equation: Extended The balanced chemical equation for photosynthesis is: Balanced chemical equa...
OCR A Level Biology:复习笔记2.5.8 Osmosis in Animal & Plant Cells
Osmosis in Animal & Plant Cells Osmosis in animal cells Animal cells can lose and gain water as a result of osmosis As animal cells do not have a supporting cell wall (unlike plant cells), the ...
CIE IGCSE Biology: 复习笔记：6.1.7 Investigating Gas Exchange
CIE IGCSE Biology: 复习笔记：6.1.7 Investigating Gas Exchange Investigating Gas Exchange Plants are respiring all the time and so plant cells are taking in oxygen and releasing carbon dioxide as a ...
OCR A Level Biology:复习笔记2.5.7 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 water molecules from a dilute solution to ...
OCR A Level Biology:复习笔记2.5.6 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...
OCR A Level Biology:复习笔记2.5.5 Active Transport
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 from respiratio...
