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Leni [432]
3 years ago
5

Some cancers are caused by mutations that stop certain proteins from working. The inactivation of whát kind or protein could lea

d to cancer? to.
a.one that sped up the cell cycle b. one that slowed down the cell cycle
C .one that acted as a growth-promoting molecule
d. one that responded to growth promoting molecules​
Biology
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

The inactivation of one protein that slow down the cell cycle could lead to cancer. (option b).

Explanation:

The cell cycle is the process a cell undergoes when it divides during its life. This process includes a control mechanism to prevent normal cells from replicating more than normal, called cell cycle regulation.

In oncogenesis - the formation of malignant tumours - many factors induce the abnormal growth of a tissue by the abnormal multiplication of the cells that form it, leading to cancer. One of these factors may be a mutation in the DNA that prevents the production of regulatory proteins.

The mutation that produces exaggerated cell growth -and which can eventually lead to cancer- can create defects in a specific regulatory protein that slow down the cell cycle, so that exaggerated and uncontrolled cell replication occurs.

Once a tumor tissue has formed, successive mutations will lead to a lack of cell differentiation, the property of forming blood vessels, the ability to invade tissue and lose its apoptosis mechanism, that characterizes cancer cells.

Learn more:

Cyclines in cell cycle regulation brainly.com/question/6821354

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