AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

GENE MUTATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a neoplasm?
A
A cluster of cells with the same missense mutation.
B
An individual cell that with a missense mutation.
C
A group of cells that has lost the ability to regulate their growth and division.
D
A new clump of cells.
Explanation: 

Detailed explanation-1: -(NEE-oh-PLA-zum) An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Neoplasms may be benign (not cancer) or malignant (cancer). Benign neoplasms may grow large but do not spread into, or invade, nearby tissues or other parts of the body.

Detailed explanation-2: -Overview. When reading about health topics, you might come across the word “neoplasm, ” which is actually another word for tumor. A tumor is a mass made up of cells that have divided abnormally. While being diagnosed with a neoplasm or tumor sounds ominous, it’s important to know that not all are cancerous.

Detailed explanation-3: -A malignant neoplasm (NEE-oh-plaz-um) is another term for a cancerous tumor. The term “neoplasm” refers to an abnormal growth of tissue. The term “malignant” means the tumor is cancerous and is likely to spread (metastasize) beyond its point of origin.

Detailed explanation-4: -’Neo’ is a prefix meaning ‘new’ in words like neoplasia, which is the abnormal growth and proliferation of abnormal cells or abnormal amounts of cells due to a benign or malignant process.

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