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A Population Where Each Element of the Population Is Assigned

question 34

Multiple Choice

A population where each element of the population is assigned to one and only one of several classes or categories is a _____.


Definitions:

Transcription Factor

Regulatory protein that influences transcription by binding directly to DNA; e.g., an activator or repressor.

Enhancer

DNA sequences that increase the transcription level of a gene they are associated with, enhancing gene expression.

Lactose Operon

A group of genes involved in the metabolism of lactose in bacteria, controlled by a mechanism that turns gene expression on or off depending on the presence of lactose.

Enzymes

Biological molecules, typically proteins, that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

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