A Difference Between a Stem Cell and a Progenitor Cell

question 26

Multiple Choice

A difference between a stem cell and a progenitor cell is that

• A)a progenitor cell cannot self-renew and a stem cell can.
• B)a stem cell cannot self-renew and a progenitor cell can.
• C)progenitor cells are rare but stem cells are abundant.
• D)progenitor cells are not present in embryos but stem cells are.

---

Definitions:

Evolutionary Course

The sequence of changes or developments in organisms or social entities over periods of time, driven by evolutionary mechanisms like natural selection.

Paleoanthropologists

Scientists who study human evolution by examining fossils and other evidence from the distant past.

Human Culture

The complex whole of beliefs, practices, artifacts, and institutions that humans develop, share, and transmit across generations.

Million Years Ago

A term used in geology and paleontology to specify a point in time millions of years before the present.