Biology
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- Created by: Alice McCutcheon
- Created on: 13-03-13 17:48
What are new drugs tested on?
Animals or cells
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What are drugs tested for?
toxicity,efficacy and dose
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Give an example of a recreational drug that is very addictive
Heroin
3 of 44
Explain how the action of a drug makes a person addicted to it
It alters the body chemistry
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Which drug was developed as a sleeping pill but is now used to treat leprosy,despite causing limb defects in unborn babies
Thelidamide
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What does a stimulant do?(athletes use it)
boosts bodily function such as heart rate
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What is cannabis also known as?
Pot/weed/grass
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What can cannabis cause?
Mental health problems
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What class of drugs is Tobacco in?
Unclassified
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What class of drugs is Cocaine in?
Class A
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For polar bears how does the adaptation of their thick fur help them?
To insulate them
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How does a polar bears small ears help?
Small surface area to reduce heat loss
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Does an animal that lives in the desert have ....
Thin layer of fat
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How does long /deep roots help a plant to adapt?
It collects water from deep down
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Name a control variable for a diet experiment
Make sure they eat the same food
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How do animals deter themselves to a predator?
Thorns/spikes
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What do plants compete for?
sunlight
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Why are weeds often successful competitors?
Leaves with larger surface area for absorbing light
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Lichens grow on...
trees/rocks/stones
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Are Lichens sensitive to air pollution or oxygen?
Air pollution
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Tree trunks help us tell what...
pollution was like in the past
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Aquatic Invertibrates are sensitive to the chemical...
Oxygen levels
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High pollution organisms aren't found in the low pollution areas as they are competed...True or false
True
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The creosote bush lives in a desert.The creosote bush produces a poison that kills the roots of other plants.How does this poison help the bush to survive in the desert?
It gets more water as there are less plants get it as their roots get killed
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What is a proteins function in the body?
Helps fight against germs and helps you grow
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What is meant by a balanced diet?
Eating a variety of foods
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What makes you fat?
Not doing enough excersise
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People who excersise are healthier because...
Their bones are stronger and joints more flexible
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What is cholesterol?
A fatty substance transported by the blood
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Can you be normal weight but still have high cholesterol?
Yes
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Name 2 ways that are possible causes for these diseases,scurvy and Dwarfism
Inheritance and Deficiency
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How is disease prevented from spreading in hospitals?
Change bed sheets often
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What is the barrier mechanism preventing disease from contaminated food?
Stomach acid
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How fast can bacteria divide under favourable conditions?
Every 20 minutes
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What do toxins destroy?
Cells
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What are good conditions to grow bacteria in?
Moist ,warm rooms
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What do antibodies do?
They lock onto the pathogen and is specific to each pathogen
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Viruses are measured in...
Nano meters
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How do vaccinations help immune you?
They inject neutral pathogens into the body so our body makes antibodies so if we were to get the disease then the antibodies would form quickly and prevent the disease
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Antibiotics can...
kill bacteria if used when not meant to
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What produces antibodies and antitoxins?
White blood cells
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__________helps lower your cholesterol
Statins
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Microbes that cause disease are called...
Pathogens
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Which organs will be infected first when someone breathes in TB bacteria?
Lungs
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Other cards in this set
Card 2
Front
What are drugs tested for?
Back
toxicity,efficacy and dose
Card 3
Front
Give an example of a recreational drug that is very addictive
Back
Card 4
Front
Explain how the action of a drug makes a person addicted to it
Back
Card 5
Front
Which drug was developed as a sleeping pill but is now used to treat leprosy,despite causing limb defects in unborn babies
Back
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