Answer:
Stem cells are special human cells that are used to repair damaged tissues
Answer:
In multicellular organisms, stem cells are undifferentiated or partially differentiated cells that can differentiate into various types of cells and divide indefinitely to produce more of the same stem cell. Stem cells are undifferentiated cells that can turn into specific cells, as the body needs them. Scientists and doctors are interested in stem cells as they help to explain how some functions of the body work, and how they sometimes go wrong.
-diamond
-topaz
-quartz
Talc is the mineral which can be scratched with a fingernail and is therefore denoted as option A.
This is a mineral which consists of elements such as the following listed below and is often used as lubricants.
Fingernail is stronger which is why it can be scratched by it unlike the other minerals mentioned in the options.
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Mitosis in animal and plant cells end differently; with furrowing in animal cells and the formation of a cell plate in plant cells. Plant cells also maintain chromosomal integrity throughout the process.
Mitosis in animal cells and plant cells have a different conclusion. In animal cells, cytokinesis occurs through a process called furrowing, where the cytoplasm is pinched into two. On the other hand, plant cells undergo cytokinesis through the formation of a cell plate which eventually develops into a cell wall separating the two daughter cells. Also, unlike animal cells, plant cells maintain chromosomal integrity throughout the process.
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b. It gives the cell its color.
c. It prevents the cell from bursting.
d. It holds the cell in its proper position.