Which of the following amino acids does not have an $L$ enantiomer? (A) $\quad$ Cysteine (B) Threonine (C) Glutamic acid (D) $\quad$ Glycine
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Step 1: Cysteine, threonine, and glutamic acid all have an L enantiomer because they have a chiral center with four different groups attached to it. Show more…
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