Neurones Study guides, Revision notes & Summaries
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AQA GCSE Biology Homeostasis Exam Questions With All Correct Answers
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AQA GCSE Biology Homeostasis Exam Questions With All Correct Answers 
What is homeostatis? - CORRECT ANSWER The regulation of the conditions in our body maintaining stable internal environment 
 
What does it do? - CORRECT ANSWER Responds to any change in internal or external conditions 
 
What are the 3 main components in automatic control systems? - CORRECT ANSWER Receptors, coordination centres and effectors 
 
What is a stimulus? - CORRECT ANSWER A change in your env...
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AQA GCSE Biology Paper 2 Final Exam Prep Questions 2024.
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AQA GCSE Biology Paper 2 Final Exam Prep Questions 2024. 
What is homeostasis? - CORRECT ANSWER The maintenance of a constant internal environment. 
 
What is a stimulus? - CORRECT ANSWER A change in your environment than requires a response. e.g Light, sound, touch, pressure, pain, chemical or temperature. 
 
What do the receptors do? - CORRECT ANSWER Detect the stimulus or change in environment. 
 
What happens after the receptors? - CORRECT ANSWER Receptors send messages to the CNS via the se...
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fMRI/EEG QUESTIONS AND ANSWERS 2023
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fMRI/EEG QUESTIONS AND ANSWERS 2023 
How does fMRI work? 
When activity is taking place in a particular region of the brain, the neurones require oxygen. When an person lies inside an MRI machine, all of the protons in their body try to line up with the magnetic field. Protons in oxygenated blood are very organised in their spinning. However, deoxygenated haemoglobin molecules have magnetic field gradients that alter the spinning of nearby diffusion hydrogen nuclei. This less organised spinning ...
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Edexcel A-level biology 2023 with complete solutions questions and answers
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Describe the events of fertilisation that occur after the acrosome reaction. 
-Membrane of sperm and egg cell fuse together 
-cortical granules release contents into zona pellucida 
-Zona pellucida thickens 
-Haploid nuclei fuse 
 
 
 
Explain how phospholipids form a cell surface membrane 
-Hydrophilic parts associate with water 
-Hydrophobic parts repel water 
-a bilayer forms with hydrophobic parts pointing in towards the centre of the bilayer 
 
 
 
Describe the role of the CFTR protein in e...
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Chapter 14: Nervous System Martin Caon Examination Questions and Answers in Basic Anatomy and Physiology Third Edition
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Martin Caon Examination Questions and Answers in Basic Anatomy and Physiology Third Edition 
 
Chapter 14: Nervous System 
 
14.1	Cells and Action Potential 
 
1.	Which word correctly completes the statement: “All motor neurons are…”? 
a.	Interneurons 
b.	Multipolar 
c.	Bipolar 
d.	Unipolar 
Answer is B: Motor neurones (that innervate muscles) are multipolar. 
 
2.	In the peripheral nervous system, which cells form the myelin sheath? 
a.	Ependymal cells 
b.	Schwann cells 
c.	Astrocytes 
d...
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NHS 111 Exam 2023 Questions and Answers
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What is the normal body temperature? - Answer- 37 degrees 
 
What symptom must be taken very seriously in a pregnant women? - Answer- A headache 
 
What does Neutropenic mean? - Answer- Low immunity 
 
What is sepsis? - Answer- A reaction to a infection causing the body to attack its own organs and tissues 
 
What is anaphylaxis? - Answer- Severe allergic reaction 
 
What is AAA? - Answer- abdominal aortic aneurysm 
 
What is rigor? - Answer- Violent shivering that occurs with a high fever that ...
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BTEC Applied Science Unit One Biology 128 Questions with Answers,100% CORRECT
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BTEC Applied Science Unit One Biology 128 Questions with Answers 
 
What is the function of the mitochondria? - CORRECT ANSWER cellular respiration 
 
What is the function of the ribosomes? - CORRECT ANSWER protein synthesis 
 
What is the function of the smooth endoplasmic reticulum? - CORRECT ANSWER Synthesis and transport of lipids and carbohydrates 
 
What is the function of the Golgi apparatus? - CORRECT ANSWER Modified and packaged proteins into vesicles for transport 
 
What is the functi...
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Homeostasis Past Paper Questions Study Guide 2023(100% Verified)
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Outline how a negative feedback mechanism works 
(4) Oct/Nov 2017 V1 - 1 change in factor away from, the norm / set-point 
2 detected / sensed by, receptor 
3 hormone released or (nerve) impulse sent 
4 (hormone / impulse) reaches, target organ / effector ; 
5 (effector) performs corrective action- counteracts change 
6 (factor) returns to, norm / set-poin 
 
Describe the role of the nervous system in the control of blood glucose concentration (4) 
Oct/Nov 2017 V1 - 1 hypothalamus detects cha...
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BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers,100% CORRECT
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BTEC Applied Science Unit 1 Biology Exam 118 Questions with Answers 
 
Describe the function of the nucleolus - CORRECT ANSWER Produces ribosomes and RNA 
 
Describe the function of the cell wall - CORRECT ANSWER Provides rigidity and protection to the cell 
 
Describe the function of the chloroplasts - CORRECT ANSWER Site of photosynthesis as they contain chlorophyll 
 
Describe the function of the plasmodesmata - CORRECT ANSWER A channel through the cell wall the allows transport of materials ...
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GCSE AQA Biology Homeostasis Practice Test Questions With Complete Solution
- Exam (elaborations) • 4 pages • 2023
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GCSE AQA Biology Homeostasis Practice Test Questions With Complete Solution 
What is homeostatis? - CORRECT ANSWERS The regulation of the conditions in our body maintaining stable internal environment 
 
What does it do? - CORRECT ANSWERS Responds to any change in internal or external conditions 
 
What are the 3 main components in automatic control systems? - CORRECT ANSWERS Receptors, coordination centres and effectors 
 
Wh...
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