What is unique about stem cells?(1 point)
Responses
They are unspecialized.
They are unspecialized.
They are differentiated.
They are differentiated.
They are only found in embryos.
They are only found in embryos.
They are only found in plants.
They are only found in plants.
How do cells become specialized? (1 point)
Responses
Genetically identical cells undergo differentiation to make them genetically unique.
Genetically identical cells undergo differentiation to make them genetically unique.
Genetically identical cells undergo differentiation to alter gene expression.
Genetically identical cells undergo differentiation to alter gene expression.
Mitosis creates genetically unique cells that can do different tasks.
Mitosis creates genetically unique cells that can do different tasks.
Mitosis creates specialized cells for different purposes.
Genetically identical cells undergo differentiation to alter gene expression.
Mitosis in Complex Organisms Quick Check
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Question
How do cells respond if a complex organism is injured?(1 point)
Responses
Nearby cells change into stem cells in order to repair the injury.
Nearby cells change into stem cells in order to repair the injury.
Cells rush to the damaged area, proliferate through mitosis, and work to repair the injury.
Cells rush to the damaged area, proliferate through mitosis, and work to repair the injury.
Cells work to repair the injured area through meiosis.
Cells work to repair the injured area through meiosis.
Cells form a blastocyst that contributes to the healing of the injury.
Cells rush to the damaged area, proliferate through mitosis, and work to repair the injury.
Response:
The correct answer is: They are unspecialized.
Stem cells are unique because they are unspecialized, meaning they have not yet developed into a specific type of cell. This quality allows them to differentiate, or mature, into various specialized cell types that make up different tissues and organs in the body. Stem cells can be found in embryos as well as in adult tissues.
The correct answer is: They are unspecialized.
Explanation: Stem cells are unique because they are undifferentiated, meaning they have not yet developed into specialized cell types. Unlike other cells in the body that have specific functions, stem cells have the potential to become different types of cells, such as muscle cells, nerve cells, or blood cells. This quality of being unspecialized gives stem cells the ability to regenerate and repair damaged tissues and organs in the body. While it is true that stem cells can be found in embryos, they are not limited to embryos and can also be found in various tissues and organs of adult organisms. Additionally, stem cells can be found in both animals and plants, not just in plants. To remember the unique characteristic of stem cells, just recall that they are unspecialized.