Use of biological resources

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Created by: Ellie
Created on: 22-05-13 15:50

How do polythene tunnels work?

raise the temperature, increase rate of photosynthesis, increase crop yield.

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What is the use for potassium?

cell membranes

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What is the use for Nitrate?

making DNA

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What is the use for Phosohate?

DNA and membranes

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What is a pesticide?

a chemical that kills pests with out harming the plant

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What is biological control?

introducing an organism with will eat the pest but not the plant

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Describe an experiment to investigate CO2 production in yeast?

Put yeast and sugar in a test tube, put oil on top so no O2 leaves, put in a bother test tube lime water of hydrogen carbonate indicator solution, connect test tubes with a tube , the indicator goes from orange to yellow to show CO2 present

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What is meant by interspecific predation?

eating of other species

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What is meant by intraspecific predation?

eating with in a species

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What is meant by selective breeding?

individuals with desired characteristics being bred to produce offspring

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Describe the structure of DNA

a double stranded molecule coiled up to form a double helix

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What are the paired bases in DNA?

Guanine and cytosine, Adenine and thymine

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Describe the process of genetic bacteria?

take insulin from donor cell by cutting gene from human DNA using a restriction enzyme, cut open DNA insert the gene, stitch together with ligase enzyme, insert DNA into bacterium

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What is cloning?

the production of copies of an individual that has desired phenotypes

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Describe micropropogation

small pieces of plan grown in petridish of nutrients, samples taken off and grown separately, if the right hormones are added it becomes a plantlet

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Describe the process of animal cloning

enucleate and embryonic cell and replace with the nucleas of desired animal. insert cell into woman

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Other cards in this set

Card 2

Front

What is the use for potassium?

Back

cell membranes

Card 3

Front

What is the use for Nitrate?

Back

Card 4

Front

What is the use for Phosohate?

Back

Card 5

Front

What is a pesticide?

Back

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Use of biological resources