3 types of neurones - Study guides, Class notes & Summaries

1. How many electrons can an s subshell hold? 2 2. How many electrons can a p subshell hold? 6 3. How many electrons can a d subshell hold? 10 4. Which subshells are available in the first energy level? 5. Which subshells are available in the second en- ergy level? 6. Which subshells are available in the third energy level? s s and p s, p and d 7. What is Hund's rule? (Think bus seats!) Every orbital in a sub- shell must be singly filled with an electron before any one orbital can be d...

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...

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 2 Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill within the boxes at the top based on this page. • Answer all questions. • You must answer the questions within the ...

PSYCHOLOGY 101 EXAM 1 LATEST 2022 Define science of Psychology Psychology is the scientific study of behaviour and mental process Empiricism Belief that knowledge comes exclusively through the senses or through experience Pseudoscience A fake or false science that makes claims based on little or no scientific evidence. Case Study An in-depth examination of one individual, or a small number of individuals The Survey An investigation of many cases in less depth by asking people to report opini...

BTEC Exam Questions with Correct Answers Unit 1 {Biology} Describe the function of the nucleolus Produces ribosomes and RNA Describe the function of the cell wall Provides rigidity and protection to the cell Describe the function of the chloroplasts Site of photosynthesis as they contain chlorophyll Describe the function of the plasmodesmata A channel through the cell wall the allows transport of materials from one cell to another Describe the function of the amy...

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 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...

Medicine Year 1, Summer Exams 2021-2022 Manchester University What are the clinical signs of asthma? {{Ans- Obstructive Broncho-constriction & Mucus hypersecretion Recurrent and episodic wheezes, Use of accessory muscles to breath, Fast breathing/heart rate chest tightness short of breath hyper responsive airway First line treatment of heart failure (ABAL) {{Ans- ACE inhibitor - rampipril up to 10mg (avoid in valve disease) (can use ARB such as candestartan) Beta Blocker - ...

Biochem - 1st Year All amino acids contain a central carbon, a side chain (R group), an amino group and a __________ group. - correct answer Carboxyl Amino acids can undergo a proton transfer, thus giving both a (+) and (-) charge. This molecular state is called the ________. - correct answer Zwitterion Amino acid that are unable to be synthesised from biochemical pathways within a cell have to be consumed through dietary intake. These are called _______ amino acids. - correct ans...

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...