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Difference between pages "Biology Key Stage 4" and "Stroke"

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==Cell Biology==
+
==Key Stage 4==
===[[Cell (Biology)|Cells]]===
+
===Meaning===
====[[Eukaryotic Cell]]s====
+
A [[Stroke]] is when a [[Blood Vessel|blood vessel]] in the [[brain]] becomes blocked, starving [[oxygen]] from part of the [[brain]].
*[[Animal Cell]]
 
**[[Specialised Animal Cell]]
 
**[[Stem Cell]]
 
*[[Plant Cell]]
 
**[[Specialised Plant Cell]]
 
**[[Meristem]]
 
*[[Fungal Cell]]
 
*[[Protist]]
 
=====Cell Structure=====
 
*[[Cytoplasm]]
 
*[[Cell Membrane]]
 
*[[Cell Wall]]
 
*[[Ribosome]]
 
  
*[[Organelle]]s
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===About Strokes===
**[[Nucleus]]
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: [[Stroke]]s are usually caused by [[Blood Clot|blood clots]].
**[[Mitochondrion]]
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: A [[Stroke]] can cause [[brain]] damage.
**[[Chloroplast]]
 
**[[Permanent Vacuole]]
 
**[[Flagellum]]
 
 
 
====[[Prokaryotic Cell]]====
 
*[[Bacteria]]
 
=====Cell Structure=====
 
*[[Cytoplasm]]
 
*[[Cell Membrane]]
 
*[[Bacterial Cell Wall]]
 
*[[Slime Capsule]]
 
*[[Flagellum]]
 
*[[Loop of DNA]]
 
*[[Plasmid]]
 
*[[Ribosome]]
 
 
 
====[[Cell Cycle]]====
 
*[[Interphase]]
 
*[[Mitosis]]
 
*[[Cytokinesis]]
 
====[[Cell Division]]====
 
*[[Mitosis]]
 
*[[Meiosis]]
 
*[[Stem Cell]]s
 
*[[Differentiation (Biology)|Differentiation]]
 
 
 
===Observing Cells===
 
*[[Light Microscope]]
 
*[[Electron Microscope]]
 
[[GCSE Biology Required Practical: Using a Microscope]]
 
 
 
===Transport in Cells===
 
*[[Diffusion|Diffusion across a Membrane]]
 
*[[Osmosis]]
 
*[[Active Transport]]
 
[[GCSE Biology Required Practical: Osmosis in Plant Tissue]]
 
 
 
===[[Enzymes]]===
 
*[[Enzyme#pH and Enzymes|pH and Enzymes]]
 
*[[Enzyme#Temperature and Enzymes|Temperature and Enzymes]]
 
*[[Enzyme#Denaturation|Denaturing Enzymes]]
 
[[GCSE Biology Required Practical: Enzyme Rates of Reaction]]
 
 
 
===[[Respiration]]===
 
*[[Aerobic Respiration]]
 
*[[Anaerobic Respiration]]
 
*[[Exercise#Exercise and Respiration|Exercise and Respiration]]
 
*[[Lactic Acid]]
 
 
 
===Key Biological Molecules===
 
*[[Carbohydrate]]
 
*[[Protein]]
 
*[[Nucleic Acid]]
 
*[[Lipid]]
 
 
 
==Organisation==
 
*[[Cell (Biology)|Cells]]
 
*[[Tissue]]s
 
*[[Organ]]s
 
*[[Organ System]]s
 
 
 
===Organ Systems in Animals===
 
====[[Digestive System]]====
 
*[[Mouth]]
 
*[[Oesophagus]]
 
*[[Stomach]]
 
*[[Liver]]
 
**[[Gall Bladder]]
 
**[[Bile Duct]]
 
***[[Bile]]
 
*[[Pancreas]]
 
*[[Small Intestine]]
 
**[[Villi]]
 
*[[Large Intestine]]
 
*[[Rectum]]
 
*[[Anus]]
 
=====[[Digestion]]=====
 
*[[Nutrient]]s
 
**[[Carbohydrate]]s
 
***[[Polysaccharides]]s
 
****[[Starch]]
 
***[[Monosaccharide]]s
 
****[[Glucose]]
 
****[[Fructose]]
 
**[[Protein]]s
 
***[[Amino Acid]]s
 
**[[Lipid]]s
 
***[[Glycerol]]
 
***[[Fatty Acid]]
 
*[[Digestive Enzyme]]s
 
**[[Carbohydrase]]
 
***[[Amylase]]
 
***[[Salivary Amylase]]
 
***[[Pancreatic Amylase]]
 
**[[Protease]]
 
***[[Pepsin]]
 
***[[Trypsin]]
 
***[[Peptidase]]
 
**[[Lipase]]
 
**[[Enzyme#Denaturation|Denaturing Enzymes]]
 
[[GCSE Biology Required Practical: Food Tests]]
 
 
 
====[[Circulatory System]]====
 
*[[Heart]]
 
**[[Atrium]]
 
**[[Ventricle]]
 
**[[Heart Valve]]s
 
**[[Coronary Arteries]]
 
**[[Stent]]
 
**[[Pacemaker]]
 
 
 
*[[Blood]]
 
**[[Blood Plasma|Plasma]]
 
**[[Red Blood Cell]]s
 
**[[White Blood Cell]]s
 
**[[Platelet]]s
 
 
 
*[[Blood Vessel]]s
 
**[[Artery]]
 
**[[Vein]]
 
**[[Capillary]]
 
 
 
====[[Breathing System]]====
 
*[[Mouth]]
 
*[[Trachea]]
 
*[[Bronchus]]
 
*[[Lung]]s
 
**[[Bronchiole]]
 
**[[Alveoli]]
 
*[[Rib Cage]]
 
**[[Intercostal Muscle]]
 
*[[Diaphragm]]
 
 
 
===Organ Systems in Plants===
 
====Transport System====
 
*[[Xylem Tissue]]
 
**[[Transpiration]]
 
***[[Guard Cell]]s
 
***[[Potometer]]
 
*[[Phloem Tissue]]
 
**[[Translocation]]
 
 
 
==Health, Disease and the Development of Medicines==
 
===[[Health]]===
 
===[[Disease]]===
 
*[[Pathogen]]s
 
**[[Bacteria]]
 
***[[Salmonella]]
 
***[[Gonorrhea]]
 
**[[Fungal Infection|Fungi]]
 
***[[Rose Blackspot]]
 
**[[Protazoan Infection|Protist]]
 
***[[Malaria]]
 
**[[Virus]]es
 
***[[Measles]]
 
***[[HIV]]
 
***[[Tobacco Mosaic Virus]]
 
 
 
===[[Culturing Bacteria]]===
 
*[[Aseptic Technique]]
 
*[[Antiseptic]]
 
*[[Antibiotic]]
 
 
 
===[[Communication of Disease]]===
 
====[[Preventing Infection]]====
 
*[[Hygiene]]
 
*[[Vaccination]]
 
*[[Quarantine]]
 
 
 
===[[Non-communicable Disease]]s===
 
*[[Cancer]]
 
*[[Coronary Heart Disease]]
 
*[[Diabetes]]
 
====Risk Factors in Disease====
 
*[[Smoking]]
 
*[[Alcohol]]
 
*[[Obesity]]
 
*[[Ionising Radiation]]
 
====Reducing Chances of Disease====
 
*[[Exercise]]
 
*[[Balanced Diet]]
 
*[[Pollution and Health]]
 
 
 
===[[Immune System]]===
 
*[[White Blood Cell]]s
 
**[[Phagocyte]]
 
**[[Lymphocyte]]
 
**[[Antibody]]
 
 
 
===[[Medicine]]===
 
====[[Drug]]====
 
*[[Antibiotic]]
 
*[[Antibacterial]]
 
*[[Antifungal]]
 
*[[Antiviral]]
 
*[[Vaccination]]
 
*[[Painkiller]]
 
*[[Monoclonal Antibody]]
 
**[[Hybridoma]]
 
**[[Antigen]]
 
====[[Drug Development]]====
 
*[[Preclinical Testing]]
 
*[[Clinical Trial]]
 
*[[Placebo]]
 
*[[Double Blind Trial]]
 
 
 
==Coordination and Control==
 
===[[Nervous System]]===
 
*[[Central Nervous System]]
 
**[[Brain]]
 
**[[Spinal Cord]]
 
*[[Peripheral Nervous System]]
 
*[[Neurone]]
 
**[[Receptor Cell]]
 
**[[Sensory Neurone]]
 
**[[Relay Neurone]]
 
**[[Motor Neurone]]
 
*[[Reflex Arc]]
 
**[[Action Potential]]
 
*[[Sensory Organ]]s
 
**[[Eye]]
 
 
 
[[GCSE Biology Required Practical: Factors affecting Human Reaction Time]]
 
 
 
===[[Endocrine System]]===
 
*[[Endocrine Gland]]
 
**[[Pituitary Gland]]
 
**[[Thyroid]]
 
**[[Thymus]]
 
**[[Pancreas]]
 
**[[Adrenal Gland]]
 
**[[Ovary]]
 
**[[Testis]]
 
*[[Hormone]]
 
*[[Target Organ]]
 
*[[Reproductive Hormone]]s
 
**[[Testosterone]]
 
**[[Oestrogen]]
 
**[[Follicle Stimulating Hormone]]
 
**[[Progesterone]]
 
*[[Menstrual Cycle]]
 
*[[Contraception]]
 
**[[Hormonal Contraception]]
 
**[[Non-hormonal Contraception]]
 
*[[Fertility Treatment]]
 
**[[In Vitro Fertilisation|IVF]]
 
 
 
===[[Homeostasis]]===
 
*[[Osmoregulation]]
 
**[[Antidiuretic Hormone]]
 
**[[Kidney]]s
 
**[[Dialysis]]
 
*[[Thermoregulation]]
 
*[[Blood Glucose Regulation]]
 
**[[Insulin]]
 
**[[Glucagon]]
 
**[[Glycogen]]
 
**[[Diabetes]]
 
====[[Negative Feedback]]====
 
 
 
===[[Plant Hormones]]===
 
*[[Auxin]]
 
*[[Gibberellin]]
 
*[[Phototropism]]
 
*[[Gravitropism]]
 
[[GCSE Biology Required Practical: Tropic Effects on Seedling Growth]]
 
 
 
==[[Photosynthesis]]==
 
===[[Photosynthesis#Rate of Photosynthesis|Rate of Photosynthesis]]===
 
===[[Leaf|Adaptations for Photosynthesis]]===
 
[[GCSE Biology Required Practical: Factors Affecting the Rate of Photosynthesis]]
 
 
 
==[[Ecosystem]]s==
 
===[[Trophic Level]]s===
 
*[[Food Chain]]
 
*[[Food Web]]
 
*[[Biomass]]
 
**[[Pyramid of Biomass]]
 
===[[Environmental Factors]]===
 
*[[Physical Environment]]
 
*[[Biotic Environmental Factors]]
 
**[[Biological Community]]
 
**[[Feeding Relationship]]s
 
***[[Predator]]
 
***[[Prey]]
 
***[[Consumer]]s
 
***[[Parasite]]
 
***[[Mutualist]]
 
***[[Decomposer]]s
 
*[[Competition (Biology)|Competition]]
 
[[GCSE Biology Required Practical: Decay of Organic Material]]
 
 
 
===[[Material Cycling]]===
 
*[[Water Cycle]]
 
*[[Carbon Cycle]]
 
*[[Nitrogen Cycle]]
 
 
 
===[[Adaptation]]===
 
*[[Habitat]]
 
*[[Survival of the Fittest]]
 
 
 
===[[Biodiversity]]===
 
*[[Classification Key]]
 
*[[Sampling (Biology)|Sampling]]
 
**[[Quadrat]]
 
**[[Transect]]
 
[[GCSE Biology Required Practical: Measuring Population in a Habitat]]
 
 
 
===[[Human Effect on Ecosystems]]===
 
*[[Nature Reserves]]
 
*[[Protected Species]]
 
*[[Pollution]]
 
**[[Water Pollution]]
 
**[[Air Pollution]]
 
*[[Habitat Destruction]]
 
**[[Deforestation]]
 
**[[Global Warming]]
 
*[[Food Production]]
 
 
 
==Evolution, Inheritance and Variation==
 
===[[Genome]]===
 
*[[Gene]]
 
*[[DNA]]
 
**[[Protein Synthesis]]
 
*[[Chromosome]]
 
 
 
===[[Genotype]]===
 
*[[Sex Determination]]
 
 
 
===[[Phenotype]]===
 
*[[Gene]]
 
*[[Allele]]
 
**[[Dominant Allele]]
 
**[[Recessive Allele]]
 
 
 
===[[Genomics]]===
 
 
 
===[[Variation]]===
 
===[[Inheritance]]===
 
*[[Punnet Square]]
 
*[[Genetic Cross Diagram]]
 
*[[Inherited Disorder]]
 
**[[Sickle Cell Anemia]]
 
**[[Cystic Fibrosis]]
 
====[[Reproduction]]====
 
*[[Asexual Reproduction]]
 
**[[Mitosis]]
 
*[[Sexual Reproduction]]
 
*[[Meiosis]]
 
**[[Gamete]]
 
**[[Haploid]]
 
**[[Diploid]]
 
 
 
===[[Evolution by Natural Selection]]===
 
*[[Evolution by Natural Selection|Development of the Theory of Evolution]]
 
*[[Charles Darwin]]
 
*[[Natural Selection]]
 
*[[Selective Breeding]]
 
*[[Speciation]]
 
*[[Evolution by Natural Selection#Evidence|Evidence for Evolution]]
 
**[[Fossil]]s
 
**[[Extinction]]
 
**[[Antibiotic Resistance]]
 
 
 
===[[Classification]]===
 
 
 
===[[Genetic Engineering]]===
 
*[[Cloning]]
 
*[[Genetically Modified Organism]]
 

Revision as of 14:09, 5 April 2019

Key Stage 4

Meaning

A Stroke is when a blood vessel in the brain becomes blocked, starving oxygen from part of the brain.

About Strokes

Strokes are usually caused by blood clots.
A Stroke can cause brain damage.