What is the genome, and why is the study of the human genome significant?
What is the genome, and why is the study of the human genome significant?
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AQA GCSE Biology
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How is genetic information organized in DNA, including the roles of chromosomes and genes?
How is genetic information organized in DNA, including the roles of chromosomes and genes?
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What is DNA, and how is it structured within the cell?
What is DNA, and how is it structured within the cell?
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How do the effects of auxins, ethene, and gibberellins benefit agricultural and horticultural practices?
How do the effects of auxins, ethene, and gibberellins benefit agricultural and horticultural practices?
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What applications do gibberellins have in agriculture, such as ending seed dormancy, promoting flowering, and increasing fruit size?
What applications do gibberellins have in agriculture, such as ending seed dormancy, promoting flowering, and increasing fruit size?
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How is ethene used in the food industry, particularly for controlling fruit ripening during storage and transport?
How is ethene used in the food industry, particularly for controlling fruit ripening during storage and transport?
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What are the different uses of auxins in plant management, including as weed killers, rooting powders, and growth promoters?
What are the different uses of auxins in plant management, including as weed killers, rooting powders, and growth promoters?
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How are plant hormones used in agriculture and horticulture to control plant growth?
How are plant hormones used in agriculture and horticulture to control plant growth?
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Use of plant hormones
Use of plant hormones
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Why is understanding the unequal distribution of auxin important in explaining plant growth patterns?
Why is understanding the unequal distribution of auxin important in explaining plant growth patterns?
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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
