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Lecture 10 Questions - methyl tetrahydrofolate 11 The main...

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Lecture 10: 1) Name three compounds that are synthesized by the transfer of individual methyl groups 2) What are the three main biological carriers of reduced one-carbon units? 3) Draw the structure of methionine 4) Draw the structure of serine 5) Draw the structure of glycine 6) Draw the structure of SAM 7) Draw the structure of homocysteine 8) Draw the structure of cysteine 9) Tetrahydrofolate has a very similar ring structure to what compound? What is the name of this ring paradigm? 10) Order the following from most reduced to most oxidized: N5,N10-methenyl- tetrahydrofolate, N5,N10-methylene-tetrahydrofolate,N10-formyl-tetrahydrofolate, N5-
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Unformatted text preview: methyl tetrahydrofolate 11) The main dietary source of 1-carbon units are: 12) What is unique about Vitamin B12? 13) What are the two reactions that require Vitamin B12? 14) If a developing embryo lacks folate, what class of defect occurs? 15) What disorder arises from lack of “intrinsic factor”? Where is intrinsic factor synthesized? 16) Can methionine be synthesized de novo ? 17) Pyridoxal phosphate plays a mysterious role in the synthesis of which amino acid?...
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