Stereochemistry in biological molecules is often denoted by the D- and L- convention, instead of the R- and S- configurations determined by the Cahn-Ingold-Prelog methodology. Historically, the glyceraldehyde enantiomer that rotated plane polarized light clockwise was arbitrarily designated as D and the other enantiomer was designated as the L configuration. The D-glyceraldehyde Fischer projection is shown. D-glyceraldehyde H H- -OH CH₂OH Identify which structures are equivalent to the D-configuration. H CH₂OH 76. OH CH₂OH H- -OH ☐ O H ОН -CH₂OH K H H Incorrect HOCH2 H OH t H OH CH₂OH K.

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Stereochemistry in biological molecules is often denoted by the D- and L- convention, instead of the R- and S- configurations
determined by the Cahn-Ingold-Prelog methodology. Historically, the glyceraldehyde enantiomer that rotated plane polarized
light clockwise was arbitrarily designated as D and the other enantiomer was designated as the L configuration.
The D-glyceraldehyde Fischer projection is shown.
D-glyceraldehyde
H
H-
-OH
CH₂OH
Identify which structures are equivalent to the D-configuration.
H
CH₂OH
76.
OH
CH₂OH
H-
-OH
☐
O
H
ОН
-CH₂OH
K
H
H
Incorrect
HOCH2
H
OH
t
H
OH
CH₂OH
K.
Transcribed Image Text:Stereochemistry in biological molecules is often denoted by the D- and L- convention, instead of the R- and S- configurations determined by the Cahn-Ingold-Prelog methodology. Historically, the glyceraldehyde enantiomer that rotated plane polarized light clockwise was arbitrarily designated as D and the other enantiomer was designated as the L configuration. The D-glyceraldehyde Fischer projection is shown. D-glyceraldehyde H H- -OH CH₂OH Identify which structures are equivalent to the D-configuration. H CH₂OH 76. OH CH₂OH H- -OH ☐ O H ОН -CH₂OH K H H Incorrect HOCH2 H OH t H OH CH₂OH K.
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