How does natural classification relate to the evolutionary ancestry of species?
How does natural classification relate to the evolutionary ancestry of species?
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What are the principal taxa used in classifying eukaryotes?
What are the principal taxa used in classifying eukaryotes?
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Into how many domains are all organisms classified, and what are they?
Into how many domains are all organisms classified, and what are they?
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What hierarchy of taxa do taxonomists use to classify species?
What hierarchy of taxa do taxonomists use to classify species?
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How are scientific names assigned to newly discovered species, and what system is used?
How are scientific names assigned to newly discovered species, and what system is used?
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Why is the binomial naming system for species considered universal, and how has it been developed?
Why is the binomial naming system for species considered universal, and how has it been developed?
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How can the theory of evolution by natural selection explain the development of antibiotic resistance in bacteria?
How can the theory of evolution by natural selection explain the development of antibiotic resistance in bacteria?
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How has antibiotic resistance evolved in bacteria, and what role does natural selection play in this process?
How has antibiotic resistance evolved in bacteria, and what role does natural selection play in this process?
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What changes were observed in the beaks of finches on Daphne Major, and how did they relate to natural selection?
What changes were observed in the beaks of finches on Daphne Major, and how did they relate to natural selection?
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How does natural selection affect the frequency of certain characteristics within a population over time?
How does natural selection affect the frequency of certain characteristics within a population over time?
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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