How do nucleosomes contribute to the supercoiling of DNA?
How do nucleosomes contribute to the supercoiling of DNA?
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Questions and Answers
How did advancements in scientific apparatus, such as the invention of the microscope, impact William Harvey’s research on reproduction?
How did advancements in scientific apparatus, such as the invention of the microscope, impact William Harvey’s research on reproduction?
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What are the structures and functions in male and female reproductive systems? (Include in an annotated diagram.)
What are the structures and functions in male and female reproductive systems? (Include in an annotated diagram.)
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What did William Harvey discover in his investigation of sexual reproduction in deer?
What did William Harvey discover in his investigation of sexual reproduction in deer?
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How is IVF treatment used to suspend normal hormone secretion and induce superovulation for pregnancy?
How is IVF treatment used to suspend normal hormone secretion and induce superovulation for pregnancy?
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What causes jet lag, and how is melatonin used to alleviate it?
What causes jet lag, and how is melatonin used to alleviate it?
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How has leptin been tested in patients with clinical obesity, and what were the reasons for its failure to control the disease?
How has leptin been tested in patients with clinical obesity, and what were the reasons for its failure to control the disease?
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What are the causes and treatments for Type I and Type II diabetes?
What are the causes and treatments for Type I and Type II diabetes?
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How do negative and positive feedback mechanisms involving ovarian and pituitary hormones control the menstrual cycle?
How do negative and positive feedback mechanisms involving ovarian and pituitary hormones control the menstrual cycle?
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How do estrogen and progesterone influence prenatal female reproductive development and the development of secondary sexual characteristics?
How do estrogen and progesterone influence prenatal female reproductive development and the development of secondary sexual characteristics?
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Sourav
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Questions: 20
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Total Questions 2747
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