Complete a level biolo Study guides, Revision notes & Summaries

Abiotic components - correct answer Components of an ecosystem that are non living Abiotic factors - correct answer Non living components of an ecosystem that effect other living organisms Acetycholine - correct answer Chemical that acts as a transmitter that diffuses across synaptic cleft Acetycholinesterase - correct answer Enzyme in synaptic cleft that breaks down acetycholine. After it has triggered an action potential in the post synaptic neurone, acetycholine must be broken down o...

Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - Answer ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to show that a piece of coconut contains lipids. [3] - Answer (Crush in) ethanol / alcohol; Add (to) water (Order of adding is critical for...

monosaccharides - correct answer single simple sugar molecule disaccharides - correct answer sugar made up off two monosaccharide units joined by a glycosidic bond formed in a condensation reaction polysaccharides - correct answer polymer made up of long chains of monosaccharide units joined by glycosidic bonds condensation reaction - correct answer reaction in whi...

Edexcel A level biology B Biochemistry Questions With Complete Answers What are carbohydrates made out of? carbon, hydrogen and oxygen What is a monosaccharide (with examples of 3)? Carbohydrates with a single sugar unit, such a glucose, fructose and ribose What is a disaccharide (with 3 examples)? A carbohydrate with two sugar units, including maltose, sucrose or lactose. What is a polysaccharide (with three examples)? A long chain of sugars that has been made through condensation pol...

This includes the perfect and complete summary notes from Topics 1 to 3 for the Biology B AS/A level exam using the Pearson Edexcel exam board. These notes are written following the Pearson Edexcel Specification, including all the necessary requirements according to the specification. They also include detailed diagrams to fully comprehend the content, as well as key words and their definitions. These notes are summarised to include exactly what you need to know to achieve the A*. Includes :...

I have condensed the entire A Level Biology AQA Unit 5 energy transfers within and between organisms section into an easy to read, concise booklet for MUCH cheaper than the typical revision guides which are too long and often overwhelming. These notes make all of the hardest A level biology topics from Unit 5, such as respiration and photosynthesis, much easier to understand and help students to understand exactly what the examiner is really looking for. These notes have helped many students...

I have condensed the entire A Level Biology AQA Unit 7 genetics, populations, evolution and ecosystems section into an easy to read, concise booklet for MUCH cheaper than the typical revision guides which are too long and often overwhelming. These notes make all of the hardest A level biology topics from Unit 5, such as respiration and photosynthesis, much easier to understand and help students to understand exactly what the examiner is really looking for. These notes have helped many studen...

I have condensed the entire A Level Biology AQA Unit 6 Organisms respond to changes in their internal and external environments section into an easy to read, concise booklet. These notes make all of the hardest A level biology topics from Unit 6, such as control of heart rate, control of blood glucose and control of water potential as well as nerve transmission much easier to understand and helps students to be aware of exactly what the examiner is really looking for. These notes have helped...