Examlex
The gene that codes for the repressor protein of the E. coli lac operon is constitutive; therefore, the lac operon is typically:
Conservation
The understanding that certain properties of objects, like volume or mass, remain the same despite changes in the objects' form or appearance.
Length
A measurement of how long something is from end to end, typically measured in units such as meters, feet, or inches.
Conservation
In cognitive development, the understanding that certain properties of objects remain the same despite changes in the object's appearance.
Number
A mathematical object used to count, measure, and label.
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