Name:
Date:
Class:
Lesson 11.4
Cell Differentiation
Lesson Objectives
Describe the process of differentiation.
Define stem cells and explain their importance.
Identify the possible benefits and issues relating to stem cell research.
Build Vocabulary
Fill in the chart by finding the definition of each term in this chapter.
Term
Embryo
Differentiation
Totipotent
Blastocyst
Pluripotent
Definition
Stem Cell
Multipotent
From One Cell to Many pg.355-356
Question 1- True or False: All cells look the same.
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Question 2- When does differentiation occur?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
Question 3- When is differentiation considered complete?
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Stem Cells and Development pg.357-358
Question 1- Complete the table.
Totipotent cells
Ability to
differentiate
Pluripotent cells
Multipotent cells
Question 2- Complete the diagram.
Question 3- What type of cells can adult stem cells in the brain produce?
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Question 4- Name three other places adult stem cells can be found?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
Question 5- What groundbreaking discovery was made by researchers at the
University of Wisconsin?
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Frontiers in Stem Cell Research pg.359-361
Question 1- Explain the process of stem cells being used to treat heart disease.
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Question 2- What is the difference between harvesting stem cells from an adult
and harvesting stem cells from an embryo? Which is more controversial and why?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
Question 3- What are induced pluripotent stem cells?
___________________________________________________________________
___________________________________________________________________
_________________________________________________________________
Question 4- What is regenerative medicine?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
Question 5- What are some of the risks that come with regenerative medicine?
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
Lesson 11.4 Review
1. Bone marrow cells that produce blood cells are best categorized as
A. embryonic stem cells
B. adult stem cells
C. pluripotent cells
D. totipotent cells
2. Which type of cell has the potential to develop into the widest variety of
differentiated cells?
A. totipotent
B. pluripotent
C. multipotent
D. differentiated
3. What is a blastocyst?
4. What is cell differentiation?
5. What is one way that technology can address the ethical concerns of stem cell
research?