Biology 1

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Where is urine produced?
The kidneys
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What organ controls the concentration of glucose in the blood?
The pancreas
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What is the best core body temperature?
37 degrees celsius
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What hormone controls plant growth?
Auxin
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What factors affect plant growth?
Gravitropism and Phototropism
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What bacteria is resistant to antibiotics?
MRSA
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What temperature should petri dishes be incubated at in schools?
25 degrees celcius
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How do white blood cells protect against pathogens?
Ingest pathogens, Produce antibodies, Produce antitoxins
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Who started making people aware of the issue of cleanliness in hospitals, and how?
(Ignaz) Semmelweis got doctors to wash their hands before delivering babies
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What are statins for?
Reducing blood cholesterol levels
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What are organisms that survive in very difficult conditions called?
Extremophiles
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What adaptations may animals in cold climates show?
Large size, surface area on thin skinned areas are small, internal and external insulation, fat reserves
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What adaptations may animals in dry climates show?
Most active at late evening and early morning to keep cool, smaller, large thin ears, thin fur
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What do animals compete for?
Food, territory, mates
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What do plants compete for?
Light for photosynthesis, Water for photosynthesis, Nutrients and space to grow
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What are the best conditions for decay?
Warm, moist, plenty of oxygen
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How many chromosomes do humans have in an average cell?
46
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How is insulin made artificially?
The insulin producing chromosome is removed from a cell and implanted in the plasmid of a bacterium. This is multiplied many times as bacteria and then the gene is turned on, producing insulin.
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Summarise Lamarck's theory of evolution
Use it or lose it- if a characteristic was used it would develop more, and if it was not then it would be lost.
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What did Darwin study to develop his ideas about evolution?
Finches on the galapagos islands.
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Card 2

Front

What organ controls the concentration of glucose in the blood?

Back

The pancreas

Card 3

Front

What is the best core body temperature?

Back

Preview of the front of card 3

Card 4

Front

What hormone controls plant growth?

Back

Preview of the front of card 4

Card 5

Front

What factors affect plant growth?

Back

Preview of the front of card 5
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