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12 December, 01:07

Why is it significant that all biological systems use l-amino acids and d-sugars?

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  1. 12 December, 01:29
    L-amino acids and D-sugars are part of every protein.

    All proteins are made up of them.

    The fact that all biological systems use L-amino acids and D-sugars is linked with the idea that certain groups of organisms come from a common ancestor because. The reason is that if the common ancestors used L-amino acids and D-sugars, than its offsprings use them as well.
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