Examlex
Which of the following is not a regulatory mechanism used to control the tryptophan operon in Escherichia coli?
Social Class
A division of a society based on social and economic status.
Minority Groups
Demographic categories of populations differentiated by social status from the dominant group, including distinctions based on ethnicity, race, religion, or sexual orientation.
United States
A country located in North America, comprising 50 states, a federal district, five major self-governing territories, and various possessions.
Heritability
The proportion of variation in traits in a population that can be attributed to genetic variation among individuals.
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