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B1.1

BioB1.1 Definitions

Question/KeywordAnswerQuestion/KeywordAnswer
Carbohydrates Energy source Cholesterol Fat+Proteins=Lipo-proteins
Fats Provides insulation of cells and a store of energy LDL's LowDensityLipoproteins: bad cholesterol/High F-P ratio
Minerals Specific chemicals used in chemical reactions HDL's High-Density-Lipoproteins Low F-P ratio
Water A medium in which metabolic processes can occur Metabolic Rate Rate of metabolism: based on muscle to fat ratio
Fibre Cleans intestines,improves digestion BUT can't be digested kJ equation 4.2*temp. difference*volume of water.
Vitamins Specific chemicals used in chemical reactions What happens if there is too much fat in body? Heart Disease due to clogged arteries and high cholesterol
Protein Build muscles and used for growth and repair Pathogens Microbes that cause diseases:Bacteria/Fungi/Virus
Bacteria Microscopic: 10 micrometers long Alive release toxins Virus Smaller than bacteria, Consists of genetic material, Takes control of cells
What do viruses cause? Influenza, Colds, MMR, AIDS White blood cells Destroy pathogens in 3 ways: Produce antibiotics/Antitoxins and ingestion
What are the two types of blood cells? Phagocytes and Lymphocytes Phagocytes: How do they tackle the pathogen? Ingestion, Send enzymes for destruction, Send chemical messages to lymphocytes to identify antibody
Lymphocytes:How do they tackle the pathogen? Send out antibodies which bind pathogen and send messages to phagocytes for ingestion Vaccination Place Small amount of inactive pathogens in body to act as antigens. Stimulates antibody production
Antibiotics Substances that kill bacteria Resistance After antibiotic has been used, some bacteria will stay alive and continue to reproduce. Forma resistance to antibiotics
How to stop antibiotic resistance Finish course of antibiotics and don't overdose MRSA Methicillin-resistant-Staphylococcus-aureus: Resistant to most bacteria
Metabolism All the chemical processes in your body What do bacteria cause? Cholera, Typhoid, Whooping Cough, STD's
Created by: dev98
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