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प्रश्न
Explain the following term:
Stem cells
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उत्तर
These are special types of cells present in the body of multicellular organisms. These cells give rise to all other types of cells present in the body of multicellular organisms.
A new organism is formed from the zygote that is formed by the union of male and female gametes. At the earliest stage of development, the organism is in the form of a mass of cells. All the cells in that mass are almost alike. Those cells are called stem cells.
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संबंधित प्रश्न
Write the correct answer in the blank circles.
At the earliest stage of development, the organism is in the form of a mass of a cell, which are almost alike, those cells are called ____________.
_____________ is the revolutionary event in biotechnology after cloning.
Cell _____________ starts from 14th day of conception.
For the purpose of preservation stem cell samples are kept in __________.
Find an odd one out.
Define.
Stem cell
State two types of stem cells.
Observe the following figure and answer the questions.
- Which property of stem cell is shown in the figure?
- Write the name of the cells or organs denoted by X and Y.
- What is the benefit of tissue/organ culture from stem cells?
Observe the given figure and answer the following questions.
- What is shown in the figure?
- What can the stem cells make in this figure?
- What can these stem cells transform into?
Identify the given figure and label it.
Distinguish between
undifferentiated cells and differentiated cells
How are stem cells useful in regenerative process?
