Two Technicians Are Discussing the Proper Coolant to Use for a Modern

question 9

Multiple Choice

Two technicians are discussing the proper coolant to use for a modern GM vehicle engine.Technician A says that Dex-Cool is the proper coolant to use.Technician B says that Dex-Cool is compatible with traditional green coolant.Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Posttranslational Control

Regulation of gene expression that controls activity or functions of proteins, usually by phosphorylation or other chemical modifications of the protein. Compare with transcriptional-level control, translational-level control, and posttranscriptional control.

Translational Control

The regulation of protein synthesis in a cell by various mechanisms that act on the process of translating RNA into protein.

Transcriptional Control

The regulation of gene expression at the transcription stage, determining when and how much RNA is produced from a gene.

Repressible System

A regulatory system in which the presence of a specific molecule inhibits gene expression.