IB DP Biology: SL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: SL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...
IB DP Biology: SL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 ...
IB DP Biology: SL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...
2022 DC全球鉆石商業(yè)挑戰(zhàn)賽9月即將開始報(bào)名，快來找你的隊(duì)友吧！
Diamond Challenge全球鉆石商業(yè)挑戰(zhàn)賽，是由美國特拉華大學(xué)主辦的面向高中生的國際頂尖創(chuàng)業(yè)賽事。不同于其他學(xué)術(shù)活動，鉆石挑戰(zhàn)賽專注于釋放學(xué)生的創(chuàng)造力，鼓勵多樣新穎的想法，培養(yǎng)學(xué)生的策劃能力、溝通能力、決...
IB DP Biology: SL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...
IB DP Biology: SL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...
IB DP Biology: SL復(fù)習(xí)筆記1.3.7 Skills: Estimation of Osmolarity
Practical 2: Estimation of Osmolarity NOS: Experimental design; accurate quantitative measurements in osmosis experiments are essential Planning is an essential part of experimental biology, it wil...
2022年北京公立學(xué)校國際部招生信息匯總！
已經(jīng)進(jìn)入8月，相信家長和學(xué)生們也開始考慮規(guī)劃明年的擇校。現(xiàn)在帶大家回顧一下2022年21所公辦校國際部的招生名額、學(xué)費(fèi)、加試分?jǐn)?shù)線相關(guān)信息，供大家參考。 招生信息匯總目錄 北師大附屬實(shí)驗(yàn)中學(xué)國際部 北京四中...
IB DP Biology: SL復(fù)習(xí)筆記1.3.6 Skills: Membrane Structure & Transport
Drawing the Fluid Mosaic Model Membranes Membranes are?vital?structures found in all cells The?cell surface membrane?creates an enclosed space separating the internal cell environment from the exte...
IB DP Biology: SL復(fù)習(xí)筆記1.3.5 Active Transport & Bulk 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...
IB DP Biology: SL復(fù)習(xí)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, ...
