Advertisements
Advertisements
प्रश्न
What are stem cells?
Advertisements
उत्तर
Stem cells are specialised cells that give rise to all other types of cells present in the body of multicellular organisms.
APPEARS IN
संबंधित प्रश्न
Which of the following factors are considered or need to be paid attention to during organ transplantation?
_____________ is the revolutionary event in biotechnology after cloning.
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 __________.
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.
Define.
Stem cell
Give scientific reason.
Stem cells are extremely important in regenerative therapy.
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?
Complete the paragraph.
(red bone marrow, degenerated, umbilical cord, adipose, division, blastocyst)
Different tissues of the body are formed by _______ of stem cells. Stem cells are present in the _______ by which the fetus is joined to the uterus of the mother. Stem cells are also present in the _______ stage of embryonic development. Stem cells are present in _______ and _______ connective tissue of adult human beings. It has become possible to produce different types of tissues and the _______ part of any organ with the help of these 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.
Name the types of stem 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
