1.
2 answers:
1. Embryonic stem cells are pluripotent because they can grow into any type of body cell, but they cannot become totipotent.
Totipotent cells can form all the cell types in a body, plus the extraembryonic, or placental, cells. Embryonic cells within the first couple of cell divisions after fertilization are the only cells that are totipotent. Pluripotent cells can give rise to all of the cell types that make up the body; embryonic stem cells are considered pluripotent.
2. All muscle cells working together to produce working muscle tissue is an example of which theme of biology?
Structure and function
3. Based on the graph what can be concluded about stem cell banking?
The amount of stem cells being banked has increased over the past 25 years
4. Banking stem cells is a very popular practice in science. This is when stem cells, located in the umbilical cord of a birthed infant, are saved and frozen. Why could this be a beneficial practice?
Stem cells are undifferentiated and therefore, could be used to grow into any kind of cell of the body
5. Blood cells are different than nerve cells in how they look and what they do. Why is this, since both of these kinds of cells are found in humans?
The cells have differentiated to perform different tasks within the organism
Totipotent cells can form all the cell types in a body, plus the extraembryonic, or placental, cells. Embryonic cells within the first couple of cell divisions after fertilization are the only cells that are totipotent. Pluripotent cells can give rise to all of the cell types that make up the body; embryonic stem cells are considered pluripotent.
2. All muscle cells working together to produce working muscle tissue is an example of which theme of biology?
Structure and function
3. Based on the graph what can be concluded about stem cell banking?
The amount of stem cells being banked has increased over the past 25 years
4. Banking stem cells is a very popular practice in science. This is when stem cells, located in the umbilical cord of a birthed infant, are saved and frozen. Why could this be a beneficial practice?
Stem cells are undifferentiated and therefore, could be used to grow into any kind of cell of the body
5. Blood cells are different than nerve cells in how they look and what they do. Why is this, since both of these kinds of cells are found in humans?
The cells have differentiated to perform different tasks within the organism
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