Comparison of the thermal properties of water with those of methane.
Comparison of the thermal properties of water with those of methane.
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IB Biology
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What makes substances hydrophilic or hydrophobic?
What makes substances hydrophilic or hydrophobic?
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How do hydrogen bonding and dipolarity explain the cohesive, adhesive, thermal, and solvent properties of water?
How do hydrogen bonding and dipolarity explain the cohesive, adhesive, thermal, and solvent properties of water?
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Why are water molecules polar, and how do hydrogen bonds form between them
Why are water molecules polar, and how do hydrogen bonds form between them
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Falsification of theories- the artificial synthesis of urea helped to falsify vitalism.
Falsification of theories- the artificial synthesis of urea helped to falsify vitalism.
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How can biochemical substances like sugars, lipids, or amino acids be identified from molecular drawings?
How can biochemical substances like sugars, lipids, or amino acids be identified from molecular drawings?
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How can molecular diagrams of glucose, ribose, a saturated fatty acid, and a generalized amino acid be drawn?
How can molecular diagrams of glucose, ribose, a saturated fatty acid, and a generalized amino acid be drawn?
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How does urea serve as an example of a compound produced by living organisms that can also be synthesized artificially?
How does urea serve as an example of a compound produced by living organisms that can also be synthesized artificially?
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What is catabolism, and how does it involve the breakdown of complex molecules into simpler molecules, such as the hydrolysis of macromolecules into monomers?
What is catabolism, and how does it involve the breakdown of complex molecules into simpler molecules, such as the hydrolysis of macromolecules into monomers?
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What is anabolism, and how does it involve the synthesis of complex molecules from simpler ones, including the formation of macromolecules from monomers through condensation reactions?
What is anabolism, and how does it involve the synthesis of complex molecules from simpler ones, including the formation of macromolecules from monomers through condensation reactions?
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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
