What are detritivores, and how do they acquire organic nutrients?
What are detritivores, and how do they acquire organic nutrients?
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IB Biology
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What are consumers, and how do they obtain their nutrients?
What are consumers, and how do they obtain their nutrients?
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What are the two main types of nutrition in species, and can some species exhibit both methods?
What are the two main types of nutrition in species, and can some species exhibit both methods?
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How can members of the same species become reproductively isolated in different populations?
How can members of the same species become reproductively isolated in different populations?
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How is a species defined, and what is required for organisms to be considered part of the same species?
How is a species defined, and what is required for organisms to be considered part of the same species?
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How do scientists assess risks related to genetically modified crops or livestock in research?
How do scientists assess risks related to genetically modified crops or livestock in research?
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What does data show regarding risks to monarch butterflies from Bt crops?
What does data show regarding risks to monarch butterflies from Bt crops?
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How can examples of DNA profiles be analyzed for comparison?
How can examples of DNA profiles be analyzed for comparison?
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How would you design an experiment to assess factors affecting the rooting of stem cuttings?
How would you design an experiment to assess factors affecting the rooting of stem cuttings?
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How are cloned embryos produced using somatic-cell nuclear transfer?
How are cloned embryos produced using somatic-cell nuclear transfer?
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Top Questions
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Discuss the advantages and disadvantages of genetically modifying crops, including soya, maize and rice
Genetically modified (GM) crops, such as soybeans, 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
<h2 class="mb-2 mt-6 text-lg first:mt-3">Process of Genetic Modification Using Bacterial
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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
<h2 class="mb-2 mt-6 text-lg first:mt-3">Examples of Genetic Modification</h2> Genetic modification involves
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Describe genetic modification as changing the genetic material of an organism by removing, changing or inserting individual genes
Genetic modification (GM) refers to the deliberate alteration of an
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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
<h2 class="mb-2 mt-6 text-lg first:mt-3">Conditions to Control in a Fermenter</h2> Fermenters
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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
<h2 class="mb-2 mt-6 text-lg first:mt-3">The Use of Fermenters for Large-Scale
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Explain the use of lactase to produce lactosefree milk
<h2 class="mb-2 mt-6 text-lg first:mt-3">The Use of Lactase to Produce
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