Monday, March 5, 2012

5.15a Genetically Modified Plants

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Key Points: 1. Maize can be damaged by the larvae of the European cork borer. This can cause up to 20% loss of crop yield. 2. The exista...

5.14 Humulin

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Key Points: 1. In 5.13b we saw the making of transgenic cells using a virus capsule and a bacterial cell. 2. A culture of this bacteria ...

5.13b Hosting recombinant DNA

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Key Points: 1. In 5.13a Recombinant DNA was introduced. It is a mixture of the human gene and the bacterial plasmid. 2. Inside a virus i...

5.13a Recombinant DNA

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Key Points: 1. The image above represents a plasmid. Plasmids are found in bacterial cells, and they are a ring of DNA. Don't carry v...
Monday, February 20, 2012

5.8 interpret and label a diagram of an industrial fermenter and explain the need to provide suitable conditions in the fermenter, including aseptic precautions, nutrients, optimum temperature and pH, oxygenation and agitation, for the growth of microorganisms

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5.8 interpret and label a diagram of an industrial fermenter and explain the need to provide  suitable conditions in the fermenter, includin...
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5.7 understand the role of bacteria (Lactobacillus) in the production of yoghurt

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The role of bacteria (Lactobacillus) in the production of yoghurt Lactobacillus is added to pasteurised milk The bacteria consumes som...

5.6 describe a simple experiment to investigate carbon dioxide production by yeast, in different conditions

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Describe a simple experiment to investigate carbon dioxide production by yeast, in  different conditions An experiment which would be viab...
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