Question

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

Explanation:

• Tumor suppressor and proto - oncogene are genes related to cancer development, not tumor spread.
• Mutagen is an agent that causes mutations, and carcinogen is an agent that causes cancer.
• Benign tumors do not spread, while malignant tumors do.

Answer:

D. benign; malignant