AQA A Level Biology復(fù)習(xí)筆記5.2.5 The Krebs Cycle
The Krebs Cycle The Krebs cycle (sometimes called the citric acid cycle) consists of a?series of enzyme-controlled reactions 2 carbon (2C) Acetyl CoA?enters the circular pathway from the?lin...
AQA A Level Biology復(fù)習(xí)筆記5.2.4 The Link Reaction
Entering the Link Reaction The end product of glycolysis is?pyruvate Pyruvate contains a substantial amount of chemical energy that can be further utilised in respiration to produce more ATP...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.14.1 Problem Solving with Areas
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.14.1 Problem Solving with Areas What is problem solving? Problem solving, as far as GCSE Mathematics is concerned, usually has two key features: A question is given a...
AQA A Level Biology復(fù)習(xí)筆記5.2.3 Glycolysis
Aerobic Respiration: Glycolysis Glycolysis is the first stage of respiration It takes place in the cytoplasm of the cell and involves: Trapping glucose?in the cell by phosphorylating the mol...
AQA A Level Biology復(fù)習(xí)筆記5.2.2 The Stages of Aerobic Respiration
The Four Stages in Aerobic Respiration Glucose is the main respiratory substrate used by cells Aerobic respiration is the process of breaking down a respiratory substrate in order to?produce...
AQA A Level Biology復(fù)習(xí)筆記5.1.7 Investigating the Rate of Photosynthesis
Apparatus & Techniques: Investigating the Rate of Photosynthesis Investigations to determine the effects of light intensity, carbon dioxide concentration and temperature on the?rate of p...
AQA A Level Biology復(fù)習(xí)筆記5.1.6 Limiting Factors of Photosynthesis
Factors That Limit the Rate of Photosynthesis Plants need several factors for?photosynthesis?to occur: The presence of?photosynthetic pigments A supply of?carbon dioxide A supply of?water Li...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.13.1 Circles - Sector Areas & Arc Lengths
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.13.1 Circles - Sector Areas & Arc Lengths What is a sector? What is an arc? A maths book will (correctly) tell you that an?arc?is part of the?circumference?of a c...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.12.1 Circles - Area & Circumference
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.12.1 Circles - Area & Circumference Why are circles different to other 2D shapes? Circles just have their own language! The?circumference?of a circle is its perim...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.11.2 Area - Adding & Subtracting
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.11.2 Area - Adding & Subtracting What do we mean by an awkward shape (a compund shape)? Sometimes the shape we want to find the area of isn’t one of the standard ...
AQA A Level Biology復(fù)習(xí)筆記5.1.5 The Light-Independent Reaction
Stages of the Calvin Cycle Energy from?ATP?and?hydrogen from reduced NADP?are passed from the light-dependent stage to the light-independent stage of photosynthesis The energy and hydrogen a...
AQA A Level Biology復(fù)習(xí)筆記5.1.4 Using the Products of the Light Dependent Reaction
The Two Stages of Photosynthesis Photosynthesis occurs in two stages: the?light-dependent stage, which takes place in the?thylakoids, and the?light-independent stage, which takes place in th...
