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Cell Physiology Disturbance (Cancer)

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Questions and Answers

What is the normal physiologic process involved in cell proliferation?

Differentiation into another cell

Replacement of dead cells (correct)

Response to injury

Immune response

What is the function of membrane-bound glycoprotein receptors in cell behavior?

Transmitting growth signals (correct)

Accepting signals from the nucleus

Promoting apoptosis

Inhibiting gene expression

What do external growth factors do in cell proliferation?

Inhibit cell division

Trigger programmed cell death

Promote or inhibit gene expression (correct)

Bind to cytoplasmic proteins

What are receptors in cell behavior?

Molecules that accept signals (A) Signup and view all the answers

What is the purpose of maintaining the balance between proliferation and programmed cell death (apoptosis)?

To ensure the integrity of tissues and organs (C) Signup and view all the answers

What is the term for the formation of a cancer, whereby normal cells are transformed into cancer cells?

Carcinogenesis (D) Signup and view all the answers

Which genes are mutated forms of proto-oncogenes and cause stimulatory proteins to be overactive, leading to excessive cell proliferation?

Oncogenes (C) Signup and view all the answers

What is the term for the uncontrolled growth and spread of abnormal cells in the body?

Metastasis (B) Signup and view all the answers

What are normal genes that slow down cell division or tell cells to die at the right time known as?

Tumor suppressor genes (C) Signup and view all the answers

What is the protective coat of protein surrounding the genetic material in a virus particle called?

Capsid (C) Signup and view all the answers