Question

tumors that do not spread throughout the body are ____, and those that do spread are termed ____.
o benign; mutagen
o benign; malignant
o mutagen; carcinogen
o tumor suppressor; proto - oncogene
o malignant; benign

Explanation:

• Benign tumors do not spread and are generally not life - threatening.
• Malignant tumors have the ability to invade and spread to other parts of the body.
• A mutagen is an agent that causes mutations. A carcinogen is a substance that can cause cancer. Tumor suppressor genes and proto - oncogenes are related to the regulation of cell growth and division, not the spread of tumors.

Answer:

B. benign; malignant