Examlex
What are the three parts of a DNA nucleotide?
CH4
CH4, methane, is a simple alkane hydrocarbon with one carbon atom bonded to four hydrogen atoms, and is a major component of natural gas.
NH3
Ammonia, a colorless gas with a pungent smell, consisting of nitrogen and hydrogen (NH3).
Diatomic Elements
Molecules composed of only two atoms, of the same or different chemical elements.
Atoms
The basic units of matter and the defining structure of elements, consisting of a nucleus surrounded by electrons.
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