Neurones and synapses Study guides, Class notes & Summaries

AQA BIOLOGY ESSAY TITLES VERSION 2 Biology essay titles Version 2 This document contains the essay titles and mark schemes used in AQA A-level Biology examinations since 2007. The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchanged. Further guidance on the marking method used with the essay can be found in Paper 3 Essay marking guidance. Year Questio nTitle 7402/3 2017 7.1 The impo...

Aqa GCSE biology topic 5 Homeostatis Exam Practice Questions and Answers Homeostasis - Answer️️ -The maintenance of a constant internal state in a changing environment Why is homeostasis important? - Answer️️ -Homeostasis is important because it is essential for the survival of cells and enzymes Automatic control systems are made up of - Answer️️ -Receptors, coordination centres, effectors negative feedback - Answer️️ -a mechanism of response in which a stimulus initiates...

AQA GCSE Biology topic 5 - Homeostasis and Response Exam Practice Questions and Answers 100% Correct homeostasis - Answer️️ -maintaining a stable environment e.g. nervous and hormonal communications, body temp, blood glucose levels. negative feedback - Answer️️ -A process that counteracts a change - increasing and decreasing levels to maintain homeostasis, e.g. sweating to lower the body temp the nervous system - Answer️️ -A system that manages the body through negative feedb...

Suggest the advantages of the change in blood flow in blood vessels during exercise. [3 marks] - answer--more blood flow to muscles during exercise -supplying more glucose and oxygen/ removing carbon dioxide/ lactic acid/ heat -for high rate of respiration/ to meet increased demand for energy Explain how microorganisms contributed to the increase in temperature during processing of organic waste. [2 marks] - answer-respiration produces heat explain the advantage of showing the data using...

Suggest the advantages of the change in blood flow in blood vessels during exercise. [3 marks] - answer--more blood flow to muscles during exercise -supplying more glucose and oxygen/ removing carbon dioxide/ lactic acid/ heat -for high rate of respiration/ to meet increased demand for energy Explain how microorganisms contributed to the increase in temperature during processing of organic waste. [2 marks] - answer-respiration produces heat explain the advantage of showing the data using...

(A* Graded) Summary notes on proteins and enzymes topic from AQA A-level Biology Unit 6 - Organisms respond to changes in their internal and external environments Feature diagrams and concise, informative and detailed notes covering: : 3.6.1 Stimuli, both internal and external, are detected and lead to a response • Survival and response • Plant growth factors • reflex arc • Receptors • Control of heart rate 3.6.2 Nervous coordination • Neurones and nervous coordin...

All sample questions with matching correct answer in chapter 5 negative tropisms - Answer-growth away from a stimulus Define homeostasis - Answer-Homeostasis is the regulation of internal conditions in the body. It is necessary to maintain optimal conditions for body functioning. These internal conditions can change as a result of processes within the body and as external conditions change. systems responsible for homeostasis - Answer-the nervous system - uses electrical impulses ...

Detailed, colourful, nicely displayed revision notes with images on AQA A-Level Biology on section 6, topic 15, Nervous coordination (Organisms respond to changes in their environment ). According to the AQA A-Level specification, these notes are on section 3.6.2.1 + 3.6.2.2. My notes are collected from many sources to ensure all content is covered and to a high standard, sources are the AQA textbook 2nd edition, class notes, revision guides, online materials such as PMT. This set of notes inclu...

AQA A Level Biology(AS LEVEL BIOLOGY PAPER 2)Test 2023 The structure and function of carbohydrates - CORRECT ANSWER-1) Monosaccharides: glucose, fructose, galactose 2) Disaccharides: condensation / hydrolysis / glycosidic bonds 3) Energy source (e.g. glucose, fructose, galactose released via respiration) 4) Respiration - use of carbs 5) Photosynthesis (formation of carbs/glucose) 6) Polysaccharides 7) Starch 8) Glycogen 9) Structural e.g. cellulose 10) Transport e.g. sucrose i...

AQA Education (AQA) is a registered charity (number ) and a company limited by guarantee registered in England and Wales (number ). Our registered address is AQA, Devas Street, Manchester M15 6EX. AQA BIOLOGY ESSAY TITLES VERSION 2 Biology essay titles Version 2 This document contains the essay titles and mark schemes used in AQA A-level Biology examinations since 2007. The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchan...