What Is a Proto-Oncogene

question 7

Multiple Choice

What is a proto-oncogene?

• A) A gene that regulates cell division.
• B) A cancer gene.
• C) A gene that encodes tumor-suppressing proteins.
• D) A DNA repair gene.
• E) More than one of these.

---

Definitions:

Excessive sleep

Sleeping for durations significantly longer than the typical 7-8 hours per night, which might be indicative of underlying health issues or sleep disorders.

Multiple sclerosis

A chronic autoimmune disorder affecting the central nervous system, marked by damage to the myelin sheath that covers nerve cells, leading to neurological symptoms.

Alzheimer's disease

A progressive neurodegenerative disorder that causes memory loss, cognitive decline, and ultimately, loss of ability to carry out the simplest tasks.

Failure to thrive syndrome

This syndrome describes a condition in infants and children who have significantly slower physical development than normal, often due to malnutrition, emotional neglect, or underlying health problems.