Biology Microorganisms and disease

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How big are viruses?
Viruses are really small.
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What diseases can viruses cause?
Flu,The common cold,Measles,Chicken Pox and Aids.
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Viruses arent proper cells what are they?
They are made up of genes.
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What diseases do fungi cause?
Athletes foot and ringworm.
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How do fungi reproduce?
Making spores that can be carried to infect another person
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What helps spread fungi?
Poor hygiene.
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Where is bacteria found?
Air and water.
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What can bacteria cause?
Pneumonia,scarlet fever and tuberculosis.
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What is protista?
They are a group of simple eukaryotic organism composed from a simple cell or coronary of similar cells.
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Where does protisista live?
Protista lives in water and as parasites in the bodies of plants and animals
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What disease does protista cause?
Water moulds,red algae and green algae.
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Name 3 Inherited diseases.
Three From:Asthma,Coronary heart failure,Lung cancer,sickle cell,cleft palate,cystic fibosis,obesity,huntigtons and hoemophilia.
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Name 3 disease spread via microbe.
Three from:Measles,Mumps,Bird flu,TB,Toxic shock syndrome,aids and food poisoning
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Name 3 lifestyle diseases.
Pick Three:Food poisoning,Anoxeria,Aids,Lung cancer,obesity,coronary heart disease,anaemia and asthma.
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How fast does virus and bacteria produce?
Rapidly.
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How does bacteria multiply?
Copying their DNA and Splitting into two every 20 minutes.
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Why does bacteria make us ill?
Bacteria produces toxins which when they reproduce the amount of toxins increase and they go into the blood and damage tissue before the white blood cells can kill the bacteria.
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How does viruses make us ill?
The virus attachs to the host cell,secures itself onto it and inject its dna into the cell.So many viruses are made in the cell and it takes over,then the virus reproduce rapidly.Then the host cells bursts and produce toxins and invade other cells.
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What is a pathogen?
A pathogen is a microbe that spreads infectious disease which are harmful
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What do the eyes/eyelashes do to stop pathogens from entering the body?
Eyelashed trap pathogens and tears kill pathogens and wash the eye.
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hat does the nose do to stop pathogens from entering the body?
The nose traps particles which may contain pathogens.
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What does the skin do to stop pathogens from entering the body?
The skin is a barrier and produces anti-micobial serections
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What do the stomach do to stop pathogens from entering the body?
The stomach produces hydrochloric acid that kills the majority of pathogens that enter via the mouth
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What do scabs do to stop pathogens from entering the body?
Platletes in the blood stick together at a wound to form the scab and seal the opening
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What does the trachea and bronchi do to stop pathogens from entering the body?
The trachea and bronchi secrete mucus which traps pathogens and cilia that waft the mucus to the back of the throat where it is swallowed.
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What do white blood cells produce which will destroy a micobe?
White blood cells produce antibodies.
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Name 3 ways white blood cells destroy pathogens.
1.Antibodies 2.Antitoxins 3.Phagocytosis
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What is an antibiotic and give one example?
A substance that kills the bacteria in the body. e.g. penicillin and aspirin.
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Why is it important we have different types on antibiotic?
Because bacteria becomes resistant to antibiotics so new antibiotics need to be produced
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Why cant antibiotics kill viral pathogens?
Because viruses go in cells and the antibiotics cant go in the cell to kill them.
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Where do drugs traditionally come from?
Plants and micro-organisms
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What plant does the heart drug digitalis originate from?
Foxglove.
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What painkiller originates from willow.
Aspirin.
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Where and who prouce most new drugs synthesized?
Labs and by pharmaceutical companies.
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What is a placebo?
A fake drug that the pharmaceutical companies give participants to compare with the dugs results.
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What type of pathogen is in vaccinations?
Weakened/dead pathogens.
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What are antibodies?
Protein molecules that are produed by white blood cells.
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What are monoclonal antibodies?
Identical copes/clones of antibodies.
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What is a mylenoma?
A type of tumor cell
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What is a hybridoma?
A combind lymphocyte and mylenoma.
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Give three signs of a diseased plant?
Three things from:Discolouration,stunted growth,malformed stems,presence of pests ans spots.
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Give a symptom of tobacco mosaic virus.
A distinct mosaic design and discolouration.
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Give treatments of rose black spot fungus.
Using fungicides,removing and destroying infectious leaves
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Give treatments of an aphid infestation.
long lasting pesticides,using insect nets and cover you crops.
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There are three plant defence responses what are they?
Physical,Chemical and Mechanical methods.
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Other cards in this set

Card 2

Front

What diseases can viruses cause?

Back

Flu,The common cold,Measles,Chicken Pox and Aids.

Card 3

Front

Viruses arent proper cells what are they?

Back

Preview of the front of card 3

Card 4

Front

What diseases do fungi cause?

Back

Preview of the front of card 4

Card 5

Front

How do fungi reproduce?

Back

Preview of the front of card 5
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