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प्रश्न
What are stem cells?
उत्तर
Stem cells are specialised cells that give rise to all other types of cells present in the body of multicellular organisms.
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संबंधित प्रश्न
Write the correct answer in 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 ____________.
Which of the following factors are considered or need to be paid attention to during organ transplantation?
Cell _____________ starts from 14th day of conception.
____________ are present in the umbilical cord by which the foetus is joined to the uterus of the mother.
For the purpose of preservation stem cell samples are kept in __________.
Find an odd one out.
The number of different types of cells in the human body that are formed from embryonic cells.
Zygote is formed by union of male and female gametes. Name the cells that are present at the initial stage of development.
Give scientific reason.
Stem cells are extremely important in regenerative therapy.
What is the importance of stem cells in medical science?
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.
______ cells are undifferentiated mass of cells.
Distinguish between
undifferentiated cells and differentiated cells
- Which process is shown in the given diagram?
- What is the importance of this process?
- Which organs can be transplanted by this process?
Explain the following term:
Stem cells