Examlex
The Deinococci stain Gram-positive but have a layered cell wall and an outer membrane that is more like a Gram-negative organism.
Nonaromatic
Refers to compounds that do not have a conjugated system of electrons typical of aromatic compounds, lacking the distinctive stability and ring structure of benzene.
Allotropes
Different forms of the same element, with distinct physical and chemical properties, due to different arrangements of atoms or bonds (e.g., graphite and diamond are allotropes of carbon).
Carbon
A chemical element with symbol C and atomic number 6, essential to all known life and the basis for organic chemistry.
Pyrimidine
A nitrogen-containing heterocyclic aromatic compound, similar to benzene and pyridine, but with two nitrogen atoms in the ring.
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