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UNderstanding, application, skill
2.1.U1 Molecular biology explains living processes in terms of the chemical substances involved.
2.1.U2 Carbon atoms can form four covalent bonds allowing a diversity of stable compounds to exist.
2.1.U3 Life is based on carbon compounds including carbohydrates, lipids, proteins and nucleic acids. [Sugars include monosaccharides and disaccharides. Only one saturated fat is expected and its specific name is not necessary. The variable radical of amino acids can be shown as R. The structure of individual R-groups does not need to be memorized.]
2.1.U4 Metabolism is the web of all the enzyme-catalysed reactions in a cell or organism.
2.1.U5 Anabolism is the synthesis of complex molecules from simpler molecules including the formation of macromolecules from monomers by condensation reactions.
2.1.U6 Catabolism is the breakdown of complex molecules into simpler molecules including the hydrolysis of macromolecules into monomers.
2.1.A1 Urea as an example of a compound that is produced by living organisms but can also be artificially synthesized.
2.1.S1 Drawing molecular diagrams of glucose, ribose, a saturated fatty acid and a generalized amino acid. [Only the ring forms of D-ribose, alpha–D-glucose and beta-D-glucose are expected in drawings.]
2.1.S2 Identification of biochemicals such as sugars, lipids or amino acids from molecular diagrams. [Students should be able to recognize from molecular diagrams that triglycerides, phospholipids and steroids are lipids. Drawings of steroids are not expected. Proteins or parts of polypeptides should be recognized from molecular diagrams showing amino acids linked by peptide bonds.]
2.1.U2 Carbon atoms can form four covalent bonds allowing a diversity of stable compounds to exist.
2.1.U3 Life is based on carbon compounds including carbohydrates, lipids, proteins and nucleic acids. [Sugars include monosaccharides and disaccharides. Only one saturated fat is expected and its specific name is not necessary. The variable radical of amino acids can be shown as R. The structure of individual R-groups does not need to be memorized.]
2.1.U4 Metabolism is the web of all the enzyme-catalysed reactions in a cell or organism.
2.1.U5 Anabolism is the synthesis of complex molecules from simpler molecules including the formation of macromolecules from monomers by condensation reactions.
2.1.U6 Catabolism is the breakdown of complex molecules into simpler molecules including the hydrolysis of macromolecules into monomers.
2.1.A1 Urea as an example of a compound that is produced by living organisms but can also be artificially synthesized.
2.1.S1 Drawing molecular diagrams of glucose, ribose, a saturated fatty acid and a generalized amino acid. [Only the ring forms of D-ribose, alpha–D-glucose and beta-D-glucose are expected in drawings.]
2.1.S2 Identification of biochemicals such as sugars, lipids or amino acids from molecular diagrams. [Students should be able to recognize from molecular diagrams that triglycerides, phospholipids and steroids are lipids. Drawings of steroids are not expected. Proteins or parts of polypeptides should be recognized from molecular diagrams showing amino acids linked by peptide bonds.]
Bioknowledgy
Alex Lee
Guided notes
Resources
Chemical bonds
Chemical bond formation by Lifewire from W H Freeman
Condensation and hydrolysis by Terry Brown
Organic molecules
Quiz on inorganic versus organic molecules by i-Biology
Macromolecules
Macromolecules by Lifewire from W H Freeman
Anabolism and Catabolism
Overview of metabolism by University of Texas
Overview of metabolism - anabolism and catabolism by the Khan Academy
Chemical bond formation by Lifewire from W H Freeman
Condensation and hydrolysis by Terry Brown
Organic molecules
Quiz on inorganic versus organic molecules by i-Biology
Macromolecules
Macromolecules by Lifewire from W H Freeman
Anabolism and Catabolism
Overview of metabolism by University of Texas
Overview of metabolism - anabolism and catabolism by the Khan Academy
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- Topic 1 - Cell Biology
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Topic 2 - Molecular Biology
- Topic 2.1 - Molecules to Metabolism
- Topic 2. 2 - Water
- Topic 2.3 - Carbohydrates and Lipids
- Topic 2.4 - Proteins
- Topic 2.5 - Enzymes
- Topic 2.6 - Structures of DNA and RNA
- Topic 2.7 - DNA Replication, transcription and translation
- Topic 2.8 - Cell Respiration
- Topic 2.9 - Photosynthesis
- Group Task
- Revision
- Topic 3 - Genetics
- Topic 4 - Ecology
- Topic 5 - Evolution and Biodiversity
- Topic 6 - Human Physiology
- Topic 7 - Nucleic Acids (AHL)
- Topic 8 - Metabolism (AHL)
- Topic 9 - Plant Biology (AHL)
- Topic 10 - Genetics (AHL)
- Topic 11 - Animal Physiology (AHL)
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