Edexcel IGCSE Geography 復習筆記 2.3.1 Conflict at the Coast
Edexcel IGCSE Geography 復習筆記 2.3.1 Conflict at the Coast Conflict Between Development & Conservation Careful management of coastal regions is necessary to ensure?sustainability Coastal envi...
IB DP Biology: HL復習筆記1.3.4 Membrane Transport
Passive Transport Simple diffusion Simple diffusion is a type of?transportation?that involves particles passing between phospholipids in?the plasma membrane It can be defined as: The net movement, ...
IB DP Biology: HL復習筆記1.3.3 History of Fluid Mosaic Model
History of Fluid Mosaic Model NOS: Using models as representations of the real world; there are alternative models of membrane structure Scientists use models to represent real world ideas, organis...
IB DP Biology: HL復習筆記1.3.2 Membrane Proteins
Membrane Proteins The phospholipid bilayer carries out the main function of the plasma membrane - to control the movement of substances into and out of the cell The other functions are carried out ...
IB DP Biology: HL復習筆記1.3.1 Phospholipid Bilayer Properties
Amphipathic Properties Phospholipids Phospholipids form the basic structure of the membrane (the phospholipid bilayer) They are formed by a?hydrophilic?phosphate head?bonding with two?hydrophobic?h...
IB DP Biology: HL復習筆記1.2.9 Skills: Cell Origin & Ultrastructure
Interpreting Electron Micrographs Identify whether it is a?prokaryotic or eukaryotic?cell - is a?nucleus?present Identify which eukaryotic cell it is (plant or animal) by looking for a?cell wall?or...
IB DP Biology: HL復習筆記1.2.8 Skills: Drawing Cells
Drawing Cells Drawing the ultrastructure of cells To record the observations seen under the microscope (or from photomicrographs taken) a labelled biological drawing is often made Biological drawin...
IB DP Biology: HL復習筆記1.2.7 Microscopes
Electron & Light Microscopes NOS: Developments in scientific research follow improvements in apparatus; the invention of electron microscopes led to greater understanding of cell structu...
IB DP Biology: HL復習筆記1.2.6 Comparison of Prokaryotic & Eukaryotic Cells
Comparison of Prokaryotic & Eukaryotic Cells Animal and plant cells are types of?eukaryotic?cells, whereas bacteria are a type of?prokaryote There are a number of important structural and physi...
IB DP Biology: HL復習筆記1.2.5 Exocrine Pancreatic & Palisade Mesophyll Cells
Exocrine Pancreatic & Palisade Mesophyll Cells Exocrine gland cells of the pancreas The pancreas contains two types of gland cells: endocrine and exocrine cells The?function?of the?exocrine gla...
IB DP Biology: HL復習筆記1.2.4 Eukaryotic Cell Structure
Eukaryotic Cell Structure Compartmentalized cell structure Eukaryotic cells have a more?complex ultrastructure?than prokaryotic cells The cytoplasm of eukaryotic cells is divided up into?membrane-b...
Edexcel IGCSE Geography 復習筆記 2.2.3 Threats to Coastal Ecosystems
Edexcel IGCSE Geography 復習筆記 2.2.3 Threats to Coastal Ecosystems Industrialisation The Value of Coastal Ecosystems All ecosystems offer people a range of opportunities – goods and services Good...
