What are the causes and consequences of jaundice, and how is it related to liver function?
What are the causes and consequences of jaundice, and how is it related to liver function?
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Questions and Answers For
IB Biology
662 Questions
What nutrients can be stored in excess by the liver, and how does this help regulate metabolism?
What nutrients can be stored in excess by the liver, and how does this help regulate metabolism?
1 Answer
How does the liver intercept blood from the gut to regulate nutrient levels?
How does the liver intercept blood from the gut to regulate nutrient levels?
1 Answer
How do the endoplasmic reticulum and Golgi apparatus in hepatocytes contribute to the production of plasma proteins?
How do the endoplasmic reticulum and Golgi apparatus in hepatocytes contribute to the production of plasma proteins?
1 Answer
How does the liver convert surplus cholesterol into bile salts?
How does the liver convert surplus cholesterol into bile salts?
1 Answer
How is iron transported to the bone marrow to produce hemoglobin in new red blood cells?
How is iron transported to the bone marrow to produce hemoglobin in new red blood cells?
1 Answer
What is the process of erythrocyte breakdown, and how do Kupffer cells play a role in phagocytosis?
What is the process of erythrocyte breakdown, and how do Kupffer cells play a role in phagocytosis?
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How does the liver recycle components of red blood cells?
How does the liver recycle components of red blood cells?
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How does the liver remove toxins from the blood and detoxify them?
How does the liver remove toxins from the blood and detoxify them?
1 Answer
How did serendipity contribute to scientific discoveries, particularly regarding the role of gastric acid in digestion, as demonstrated by William Beaumont’s observations in an open wound caused by a gunshot?
How did serendipity contribute to scientific discoveries, particularly regarding the role of gastric acid in digestion, as demonstrated by William Beaumont’s observations in an open wound caused by a gunshot?
1 Answer
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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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