What is a genome, and what does it represent in an organism?
What is a genome, and what does it represent in an organism?
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Questions and Answers
How are new alleles formed by mutation?
How are new alleles formed by mutation?
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How do alleles differ from each other at the molecular level?
How do alleles differ from each other at the molecular level?
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What are alleles, and how do they represent various specific forms of a gene?
What are alleles, and how do they represent various specific forms of a gene?
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Where does a gene occupy a specific position on a chromosome?
Where does a gene occupy a specific position on a chromosome?
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What is a gene, and how does it act as a heritable factor that influences a specific characteristic?
What is a gene, and how does it act as a heritable factor that influences a specific characteristic?
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Why is controlling relevant variables essential in designing experiments on photosynthesis?
Why is controlling relevant variables essential in designing experiments on photosynthesis?
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How can photosynthetic pigments be separated by chromatography?
How can photosynthetic pigments be separated by chromatography?
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How can an absorption spectrum for chlorophyll and an action spectrum for photosynthesis be designed experimentally?
How can an absorption spectrum for chlorophyll and an action spectrum for photosynthesis be designed experimentally?
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How can an absorption spectrum for chlorophyll and an action spectrum for photosynthesis be drawn?
How can an absorption spectrum for chlorophyll and an action spectrum for photosynthesis be drawn?
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Top Questions
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Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Sourav
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Outline the process of genetic modification using bacterial production of a human protein as an example, limited to: (a) isolation of the DNA making up a human gene using restriction enzymes, forming sticky ends (b) cutting of bacterial plasmid DNA with the same restriction enzymes, forming complementary sticky ends (c) insertion of human DNA into bacterial plasmid DNA using DNA ligase to form a recombinant plasmid (d) insertion of recombinant plasmids into bacteria (specific details are not required) (e) multiplication of bacteria containing recombinant plasmids (f) expression in bacteria of the human gene to make the human protein
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Outline examples of genetic modification: (a) the insertion of human genes into bacteria to produce human proteins (b) the insertion of genes into crop plants to confer resistance to herbicides (c) the insertion of genes into crop plants to confer resistance to insect pests (d) the insertion of genes into crop plants to improve nutritional qualities
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Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
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Describe and explain the conditions that need to be controlled in a fermenter, including: temperature, pH, oxygen, nutrient supply and waste products
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Describe how fermenters can be used for the large-scale production of useful products by bacteria and fungi, including insulin, penicillin and mycoprotein