Biology 10.4

Multiple Choice

Where can totipotent cells be found?

• fertilized egg

• bone marrow

• heart tissue

• inner cell mass

Multiple Choice

Which is NOT an example of cell differentiation?

• A leaf cell divides as a plant leaf grows

• A fertilized egg develops limbs & a head.

• Stem cells from bone marrow develop into blood cells.

• Bone marrow cells are used to repair damage to heart tissue.

Multiple Choice

Medical researchers are interested in stem cells because they

• are found only in embryos

• are found in all types of tissues

• are highly specialized

• can produce different cell types

Multiple Choice

Mapping in C. Elegans is best described as indicating the

• location of specialized cells

• potency of stem cells

• outcome of each cell division

• position of the inner cell mass

Multiple Choice

Adult stem cells that produce replacements for cells that have short life spans are

• pluripotent

• totipotent

• highly specialized

• mulitipotent