IB DP Biology: HL復(fù)習(xí)筆記2.1.2 Metabolism
Metabolism Metabolism?is a catch-all term used to describe?all the chemical reactions?that take place within cells and organisms Metabolism can be thought of as?the chemical reactions of life The m...
IB DP Biology: HL復(fù)習(xí)筆記2.1.1 Molecules
Molecular Biology The substances of life There are?118 elements?in the Periodic Table Only the first?92 elements occur in Nature?; the rest are artificially-synthesised in laboratories and are very...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.2.2 Vulnerability to Natural Hazards
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.2.2 Vulnerability to Natural Hazards Vulnerability of Countries Some countries/areas/people are more vulnerable to natural hazards than others A range of factors ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.2.1 Living in Hazardous Areas
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.2.1 Living in Hazardous Areas Reasons for Living in Hazardous Regions Billions of people live in areas which are vulnerable to natural events such as earthquakes,...
IB DP Biology: HL復(fù)習(xí)筆記1.4.4 Skills: Cell Division
Mitotic Phases: Identification Cells undergoing different stages of the cell cycle can be identified using photomicrographs taken from microscope slides Cells undergoing certain stages of the cell ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.1.2 Tropical Cyclones
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.1.2 Tropical Cyclones Causes of Tropical Cyclone Hazards Low pressure?areas (less than 950mb) Tropical Cyclones require specific conditions to form: Sea surface t...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.1.1 Types of Hazards
Edexcel IGCSE Geography 復(fù)習(xí)筆記 3.1.1 Types of Hazards Anatomy of Natural Hazards Natural Hazards A?hazard?is an event which has the potential to cause harm to the environment, people or the econo...
IB DP Biology: HL復(fù)習(xí)筆記1.4.3 Cancer
Tumour Formation Cancers demonstrate how important it is that?cell division?is?precisely controlled, as cancers arise due to?uncontrolled mitosis Cancerous cells divide repeatedly and uncontrollabl...
IB DP Biology: HL復(fù)習(xí)筆記1.4.2 Phases of Mitosis
Phases of Mitosis Mitosis is the process of nuclear division by which?two genetically identical daughter nuclei?are produced that are also genetically identical to the parent cell nucleus (they hav...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.3.3 Coastal Management
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.3.3 Coastal Management Coastal Strategies Management of coastal regions is performed by identifying?coastal cells This breaks a long coastline into manageable sec...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.3.2 Coastal Flooding
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.3.2 Coastal Flooding Causes of Coastal Flooding Coastal flooding results from a number of factors: Storm surges?- a rapid rise in sea level caused by really low-p...
IB DP Biology: HL復(fù)習(xí)筆記1.4.1 Cell Cycle
Interphase 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 cell c...
