10 questions
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
_________ refers to a stem cell's ability to differentiate into other cell types
potency
potential
dormancy
aptitude
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
partially differentiated, with only the capacity to become one cell type.
Totipotent
Pluripotent
Multipotent
Which has the highest potency?
Morula
Blastocyst
Fetus
Adult
Which has the lowest potency?
Morula
Blastocyst
Fetus
Adult
Which cell type would divide the most rapidly?
Skin
Muscle
Nerve
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