Why Is a Mammogram the Most Useful Method of Diagnosing

question 19

Multiple Choice

Why is a mammogram the most useful method of diagnosing breast cancer?

• A) It is the most reliable method of detecting breast cancer before it becomes palpable.
• B) It is inexpensive and covered by most medical insurance plans.
• C) It involves no radiation and takes only a few minutes.
• D) It involves no pain or discomfort and is readily available.

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Definitions:

DNA Binding Sites

Specific sequences in the DNA to which proteins such as transcription factors can bind, influencing the regulation of genes.

Activators

Molecules that increase the activity of enzymes or other proteins, often playing critical roles in metabolic and signaling pathways.

Silencers

Devices attached to or part of the barrel of firearms that reduce the noise, muzzle flash, and recoil when the gun is fired.

Transcription

The process of copying a segment of DNA into RNA, which can be used to produce proteins.