Biology (Keeping healthy) 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: laurenandrewxxxCreated on: 02-05-16 15:12 What do we mean by a balanced diet? A balanced diet contains the correct amounts of all the nutrients needed for a healthy functioning body 1 of 10 Give 3 reasons why a person may be malnourished. They may take in too much energy, they may have too little food and particular nutrients might be mising from their diet 2 of 10 Give three factors that affect how much energy a person needs size of the person, sex of the person, the amount of exersise they do 3 of 10 What is meant by a metabolic rate and what factors affect the rate? It is a measure of how quickly chemical reactions happen in the body 4 of 10 What is a pathogen? Is an organism that causes a disease 5 of 10 What is an antibiotic? A drug that kills bateria 6 of 10 Why is it difficult to produce medicines to destroy viruses? Viruses reproduce inside body cells, the drugs would also damage the cells or tissues 7 of 10 What is meant by mutation of a pathogen? A change in a gene 8 of 10 How is a panedimic different from a epidemic? A panedemic occurs when a disease spreads between different countries, and epidemic is only in one country 9 of 10 Explain how bacteria develop antibiotic resistance some bacteria mutate and become resistant to the antibiotic, antibiotics kill the non-resistant strains. The resistant strains multiply. 10 of 10
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