Question: What is the absolute configuration (R or S) at the α carbon atom in each of the following L-amino acids? (a) (b) CO2 HaNH H2SH

What is the absolute configuration (R or S) at the α carbon atom in each of the following L-amino acids?
(a)
What is the absolute configuration (R or S) at the

(b)

What is the absolute configuration (R or S) at the

CO2 HaNH H2SH L-Cysteine CO2 CH2CH2SCH2 L-Methionine

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