Most Cancers Require at Least Two Mutations: 1) One in an Oncogene

question 12

Multiple Choice

Most cancers require at least two mutations: 1) one in an oncogene, which encodes proteins that trigger cell division, and 2) one in a tumor suppressor gene, whose protein products, in their unmutated form, play a key role in preventing the cell cycle from progressing if the DNA is damaged or in the absence of specific cues. Which class of proteins might be considered tumor suppressors?

• A) Cdk inhibitors
• B) cyclins
• C) growth factor receptors
• D) microtubules
• E) transcription factors

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Definitions:

Layout Design

Layout Design refers to the arrangement of physical facilities such as machinery, equipment, and furniture within a workspace to optimize workflow and productivity.

Maintenance

The activities involved in keeping a system’s equipment in working order.

Quick Response

A strategy aimed at reducing lead times within the production and distribution systems to improve service levels and reduce costs.

Raw Material

Basic substances or components that are processed or transformed into finished goods through manufacturing or production.