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The configuration of the chirality centers in D-threose (shown) are:

(1) 2R, 3R

(2) 2R, 3S

(3) 2S, 3R

(4) 2S, 3S

Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |

Level 3: 35%-60%

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Which amino acid does not contain a chiral center?

1. Valine

2. Leucine

3. Glycine

4. Iso-leucine

Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |

77%

Level 2: 60%+

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