Knowledge Check: Stem Cells

A cell is able to differentiate into any type of blood cell. It is not able to turn into any other cell type. Which term best describes this cell?

• Totipotent
• Pluripotent
• Multipotent
• Unipotent

Which stage would you most expect to have cells capable of producing any cell type, including the placenta?

• A, because totipotent cells are present
• A. because pluripotent cells are present
• B, because pluripotent cells are present
• B, because multipotent cells are present
• C, because multipotent cells are present

Which stage would you most expect to have cells capable of producing any cell type except the placenta?

• B, because pluripotent cells are present
• A. because pluripotent cells are present
• A, because totipotent cells are present
• B, because multipotent cells are present
• C, because multipotent cells are present

Which stage would you most expect to have cells capable of producing a limited range of different cell types?

• C, because multipotent cells are present
• A. because pluripotent cells are present
• A, because totipotent cells are present
• B, because pluripotent cells are present
• B, because multipotent cells are present

Which stage would you most expect to have cells capable of producing more stem cells?

• A, B, and C
• A. because pluripotent cells are present
• A, because totipotent cells are present
• B, because pluripotent cells are present
• B, because multipotent cells are present

Which image contains cells with the most limited gene expression?

• A
• B
• C
• All of these cells have the same amount of gene expression

Which image contains the most differentiated cells?

• A
• B
• C
• All of the above cells are equally differentiated

Which image contains the least differentiated cells?

• A
• B
• C
• All of the above cells are equally differentiated

Which process is illustrated:

• Fertilization
• Mitosis
• Differentiation
• Meiosis

The cell that results from fusion of egg and sperm is called:

• Zygote
• Morula
• Blastocyst
• Fetus