Examlex
At which level(s) of protein structure are interactions between the side chains (R groups) most important?
Phonemes
The basic units of sound in language.
Morphemes
The smallest units of meaning within a language.
Semantics
The rules for determining the meaning of words and sentences.
X Chromosome
One of the two sex chromosomes, with the other being the Y chromosome, that plays a crucial role in determining genetic traits, including the sex of an individual.
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