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2.4.U1 Amino acids are linked together by condensation to form polypeptides.
2.4.U2 There are 20 different amino acids in polypeptides synthesized on ribosomes. [Students should know that most organisms use the same 20 amino acids in the same genetic code although there are some exceptions. Specific examples could be used for illustration.]
2.4.U3 Amino acids can be linked together in any sequence giving a huge range of possible polypeptides.
2.4.U4 The amino acid sequence of polypeptides is coded for by genes.
2.4.U5 A protein may consist of a single polypeptide or more than one polypeptide linked together.
2.4.U6 The amino acid sequence determines the three-dimensional conformation of a protein.
2.4.U7 Living organisms synthesize many different proteins with a wide range of functions.
2.4.U8 Every individual has a unique proteome.
2.4.A1 Rubisco, insulin, immunoglobulins, rhodopsin, collagen and spider silk as examples of the range of protein functions. [The detailed structure of the six proteins selected to illustrate the functions of proteins is not needed.]
2.4.A2 Denaturation of proteins by heat or by deviation of pH from the optimum. [Egg white or albumin solutions can be used in denaturation experiments.]
2.4.S1 Drawing molecular diagrams to show the formation of a peptide bond.
2.4.U2 There are 20 different amino acids in polypeptides synthesized on ribosomes. [Students should know that most organisms use the same 20 amino acids in the same genetic code although there are some exceptions. Specific examples could be used for illustration.]
2.4.U3 Amino acids can be linked together in any sequence giving a huge range of possible polypeptides.
2.4.U4 The amino acid sequence of polypeptides is coded for by genes.
2.4.U5 A protein may consist of a single polypeptide or more than one polypeptide linked together.
2.4.U6 The amino acid sequence determines the three-dimensional conformation of a protein.
2.4.U7 Living organisms synthesize many different proteins with a wide range of functions.
2.4.U8 Every individual has a unique proteome.
2.4.A1 Rubisco, insulin, immunoglobulins, rhodopsin, collagen and spider silk as examples of the range of protein functions. [The detailed structure of the six proteins selected to illustrate the functions of proteins is not needed.]
2.4.A2 Denaturation of proteins by heat or by deviation of pH from the optimum. [Egg white or albumin solutions can be used in denaturation experiments.]
2.4.S1 Drawing molecular diagrams to show the formation of a peptide bond.
Bioknowledgy
Alex Lee
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Topic 2 - Molecular Biology
- Topic 2.1 - Molecules to Metabolism
- Topic 2. 2 - Water
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