All of the Following Activities Will Directly Affect the Quality

question 27

Multiple Choice

All of the following activities will directly affect the quality of a laboratory test EXCEPT:

• A) Preanalytic
• B) Analytic
• C) Accreditation
• D) Postanalytic

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Definitions:

Transcription

The process in which the DNA sequence in a gene is copied into mRNA, serving as the first step in gene expression.

Lactose Operon

A gene regulatory mechanism in bacteria that allows the cells to adapt to the presence of lactose, enabling the digestion of this sugar when it is available.

Negative Control

A genetic control system in which a regulatory protein binds to DNA, turning off transcription of a gene. Compare with positive control.

Operon

In prokaryotes, a group of structural genes that are coordinately controlled and transcribed as a single message, plus their adjacent regulatory elements.