The lac operon is an operon required for the transport and metabolism of
lactose in Escherichia coli and many other entric bacteria. It includes
the promoter, regulatory and the operator.
Answer: C. repressor gene
Answer:
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Your answer is A. have their own function.
Specialized cells are cells that have a specific function in the body of a multicellular living being. These cells can function to form tissues, organs, muscles, bones and other body structures.
An example of a specialized cell is a stem cell!
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D. The umbilicus is caudal to the chin
The terms caudal and inferior are synonymous, meaning "away from the head end or toward the lower part of a structure or the body; below." The umbilicus is caudal (inferior) to the chin.
<span>In humans, a simple columnar epithelium lines most organs of the digestive tract including the stomach, small intestine, and large intestine. Simple columnar epithelia line the uterus.</span>
