Scientists can separate fragments of DNA using electrophoresis. Suggest how they can use electrophoresis to estimate the number of base pairs in the separated fragments.
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Card 17
Front
Transcriptional factors are important in the synthesis of particular proteins. Describe how
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Card 18
Front
Hydrolysis and condensation are important in the formation of new adult proteins. Explain how.
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Card 19
Front
Give two characteristic features of stem cells.
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Card 20
Front
When viruses infect cells, they pass their RNA and two viral enzymes into the host cells. One of the viral enzymes makes a DNA copy of the virus RNA. Name this enzyme.
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Card 21
Front
Diabetic people who do not control their blood glucose concentration may become unconscious and go into a coma. A doctor may inject a diabetic person who is in a coma with glucagon. Explain how the glucagon would affect the person’s blood [glucose]
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Card 22
Front
Multicellular organisms are able to control the activities of different tissues and organs within their bodies. They do this by detecting stimuli and stimulating appropriate effectors.How to plants and animals do this?
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Card 23
Front
what are Tropisms?
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Card 24
Front
what general factors help control heart rate?
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Card 25
Front
wha does the Pacinian corpuscle tell us about receptors (2)
