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WorksheetsStem Cells
Total questions: 25
Worksheet time: 16mins
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
Is the use of embryonic stem cells controversial in the US today?
Yes
No
Why is the use of embryonic stem cells controversial?
The embryos are destroyed in the process of extracting the stem cells.
People consider their use as destroying a life.
They are taken from little kids, which is painful.
They are put into a different person.
Tissues are groups of ________ with similar structure and function.
organs
cells
tissues
matrix
____________ stem cells appear during fetal development and remain in our bodies throughout life.
totipotent
embryonic
tissue-specific
induced pluripotent
