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1. A normal gene that, if mutated, can lead to cancer is called a(n) _______.
2. A gene that causes a cell to become cancerous is called a(n) _______.
3. A(n) ______ is a gene that encodes proteins that inhibit cell division. Such proteins normally help prevent cells from becoming cancerous.
4. A(n) ______ is a protein that promotes cell division. In excess, such a protein may lead to cancer.

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luisvaschetto

A normal gene that can lead to cancer is a proto-oncogene, one that causes a cell to become cancerous is an oncogene. A tumor suppressor inhibits cell division and a growth factor promotes cell division.

Protooncogenes and tumor suppressors

A normal gene that can lead to cancer (i.e., uncontrolled cellular proliferation) is called a proto-oncogene.

A gene that causes a cell to become cancerous is an oncogene, whereas a tumor suppressor gene encodes a protein that inhibits cell division.

A growth factor is a special type of protein that promotes cell division and whose excess may produce cancer.

Learn more about oncogenes here:

https://brainly.com/question/3844552

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