10 Questions
What is the main function of a receptor in cell signaling?
Transmit the signal to other intracellular molecules
What is the role of a transcription factor in cell proliferation?
Bind to DNA and allow expression of proteins
What is the definition of carcinogenesis?
Formation of a cancer from normal cells
What is the origin of cancer according to the text?
Cancer is clonal in origin
What leads to the development of a tumour mass?
Successive rounds of mutation of abnormal cells
Which of the following is true about oncogenes?
They are dominant over proto-oncogenes
What is the function of tumor suppressor genes?
Slow down cell division or induce cell death
Which factor can lead to abnormal cell behavior and excessive proliferation?
Inherited mutations
What is the role of p53 protein coded by the TP53 gene?
Induce programmed cell death (apoptosis)
What do proto-oncogenes code for?
Proteins that stimulate cell cycle division
Learn about the normal physiological process of cell proliferation and differentiation, and how it is involved in the body's response to injury, replacing dead cells, and immune responses. Explore the balance between cell proliferation and programmed cell death (apoptosis) in maintaining cellular integrity.
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