Biologie. Chemie. Zeměpis A journal for science teachers and science education researchers

Chirality Known and Unknown (Part Two)

Jaromír Literák

Volume 33 (2024), issue 1 pp. 2–11 published online 29 May 2024 Czech

DOI https://doi.org/10.14712/25337556.2024.1.1

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Abstract

The existence of an object, non-superimposable on its mirror image, constitutes the phenomenon of chirality. Th is phenom- enon is oft en treated as a curiosity without broader practical consequences. Th is paper aims to show the signifi cant implica- tions of chirality for chemistry and biology. Chirality is inherent to all living organisms and is essential for their function. For instance, biomolecules are composed of chiral building blocks (amino acids, monosaccharides), which are chiral and occur predominantly with one sense of handedness (homochirality of life). Th e explanation of the evolution of the homochirality of life therefore helps answer one of the important questions connected with the origin of life.. Th e paper concludes with a sec- tion devoted to current Czech stereochemical terminology. An experimental procedure describing the isolation of carvone enantiomers from natural sources is also included.

Keywords

Chirality · homochirality of life · optical aktivityactivity · stereochemical terminology · carvone enantiomers of carvone.

How to cite

Literák, J. (2024). CHIRALITA ZNÁMÁ I NEZNÁMÁ (DRUHÁ ČÁST). Biologie-Chemie-Zeměpis, 33(1), 2–11. https://doi.org/10.14712/25337556.2024.1.1

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