D and L are optical isomer of each other, or non superimposible mirror images. The convention uses Glyceraldhyde as the reference. In a fisher projection the OH of glyceraldehyde is on the right side ( more improtantly in the R configuration)in the D isomer and on the left side ( or the molecule is in the L configuration) in the L isomer. So for all other sugars it looks at the last chiral center for the molecule if the chiral center is R it is a D isomer if the last chiral center is in the S configuration it is an L isomer.
The behavior against polarized light is different.
F@#k U
L and D amino acids are both optical isomers of each other and only differ in their ability to rotate plane polarized light in opposite directions.
All sugars are derived from a reference sugar and all the D and L forms are referred to it.
For one, dextrose and glucose are both monomers, or to be specific, monosaccharides. Dextrose and glucose are essentially the same thing, except that dextrose is specifically D-glucose. There exists two stereoisomeric forms of glucose, being D-glucose and L-glucose. "D" refers to "right" and "L" refers to "left". Essentially stereoisomeric means that D-glucose and L-glucose are mirror images of each other. T The difference between L-glucose and R-glucose is that L-glucose cannot be metabolized during glycolysis which is a component of cellular respiration.
The difference is a letter L.
The stereochemistry. Specifically, for carbohydrates, the configuration at the last (highest numbered) stereocenter determines whether it's D or L form. D means it has the same configuration as (+)-glyceraldehyde; L means it has the same configuration as (-)-glyceraldehyde. Note that D and L (capital letters) are not at all the same as d and l (lower letters). The capital letters relate the configuration to glyceraldehyde, the lower case letters specify whether the substance is dextrorotatory or levorotatory. For glyceraldehyde, D is d (+) and L is l (-), but this is not always the case for other molecules.
l
the L mean's liqued cooled ........... jack joyce ancerd then :D i ride a suzuki rm 85
Not much difference between them feature are almost similar
same
One has acetyl in front of it.