2.1 Molecules to Metabolism
Understandings:
• Molecular biology explains living processes in terms of the chemical substances involved.
• Carbon atoms can form four covalent bonds allowing a diversity of stable compounds to exist.
• Life is based on carbon compounds including carbohydrates, lipids, proteins and nucleic acids.
• Metabolism is the web of all the enzyme-catalysed reactions in a cell or organism.
• Anabolism is the synthesis of complex molecules from simpler molecules including the formation of macromolecules from monomers by condensation reactions.
• Catabolism is the breakdown of complex molecules into simpler molecules including the hydrolysis of macromolecules into monomers.
Applications and skills:
• Application: Urea as an example of a compound that is produced by living organisms but can also be artificially synthesized.
• Skill: Drawing molecular diagrams of glucose, ribose, a saturated fatty acid and a generalized amino acid.
• Skill: Identification of biochemicals such as sugars, lipids or amino acids from molecular diagrams.
• Molecular biology explains living processes in terms of the chemical substances involved.
• Carbon atoms can form four covalent bonds allowing a diversity of stable compounds to exist.
• Life is based on carbon compounds including carbohydrates, lipids, proteins and nucleic acids.
• Metabolism is the web of all the enzyme-catalysed reactions in a cell or organism.
• Anabolism is the synthesis of complex molecules from simpler molecules including the formation of macromolecules from monomers by condensation reactions.
• Catabolism is the breakdown of complex molecules into simpler molecules including the hydrolysis of macromolecules into monomers.
Applications and skills:
• Application: Urea as an example of a compound that is produced by living organisms but can also be artificially synthesized.
• Skill: Drawing molecular diagrams of glucose, ribose, a saturated fatty acid and a generalized amino acid.
• Skill: Identification of biochemicals such as sugars, lipids or amino acids from molecular diagrams.
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