Stem Cells

Stem cells are

• undifferentiated or unspecialized cells in the body.

• differentiated or specialized cells in the body.

• only found in the inner mass cells of blastocyst

• only found in a fetus

Tags

NGSS.HS-LS1-4

_________ refers to a stem cell's ability to differentiate into other cell types

• potency

• potential

• dormancy

• aptitude

Tags

NGSS.HS-LS1-4

a cell that has the most potential, able to become any type of cell.

• Totipotent

• Pluripotent

• Multipotent

can become any of the three cell layers in a

developing embryo (endoderm, mesoderm, ectoderm), but not the placenta surrounding the embryo.

• Totipotent

• Pluripotent

• Multipotent

Tags

NGSS.HS-LS1-4

partially differentiated, with only the capacity to become one cell type.

• Totipotent

• Pluripotent

• Multipotent

Tags

NGSS.HS-LS1-4

Which has the highest potency?

• Morula

• Blastocyst

• Fetus

• Adult

Tags

NGSS.HS-LS1-4

Which has the lowest potency?

• Morula

• Blastocyst

• Fetus

• Adult

Tags

NGSS.HS-LS1-4

Which cell type would divide the most rapidly?

• Skin

• Muscle

• Nerve

Tags

NGSS.HS-LS1-4

Which cell type would divide the least rapidly?

• Skin

• Red Blood cells

• Nerve

As cells become more specialized

• cells have access to more genes

• some genes are turned off

• some gene segments get lost

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2