Examlex
Which of the following occupations is NOT included in the middle class?
Yeast
Unicellular fungi used in baking, brewing, and winemaking for fermentation, producing carbon dioxide and alcohol from sugars.
Modified Nucleotides
Nucleotides that have been chemically altered to have different properties compared to standard nucleotides, used in various biological processes.
DNA Sequencing
The process of determining the precise order of nucleotides within a DNA molecule, used for genetic analysis and research.
Hydroxyl Group
A chemical functional group consisting of an oxygen atom covalently bonded to a hydrogen atom (-OH).
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