What Accounts for the Diversity of Cell Types and Functions

question 64

Multiple Choice

What accounts for the diversity of cell types and functions in humans relative to simpler animals, despite not having significantly more genes than simpler animals?

• A)Complexity arises from different combinations of proteins.
• B)Complexity arises from differential gene expression.
• C)Humans gain more genes through horizontal gene transfer.
• D)Many human genes can encode multiple proteins.

---

Definitions:

Immunity

The body's ability to resist or eliminate potentially harmful foreign materials or abnormal cells.

Autoimmune Disease

Diseases where the immune system mistakenly attacks healthy cells in the body, leading to inflammation and tissue damage in various organs.

T-cells

A type of white blood cell that plays a central role in the immune system, helping to protect the body against infection and disease.

Malignant Cells

Abnormal cells that divide uncontrollably and have the potential to invade and spread to other parts of the body, indicating cancer.