Advertisements
Advertisements
प्रश्न
What are stem cells?
What is meant by 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
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 ____________.
Which of the following is an important requirement in 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 __________.
Name the following.
Cells that are present in the initial development stage of zygote, that is formed by theunion of male and female gametes.
Give scientific reason.
Stem cells are extremely important in regenerative therapy.
State two types of stem cells.
What is the importance of stem cells in medical science?
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.
Identify the given figure and label it.
Explain the statement.
The revolutionary phenomenon in biotechnology after cloning is stem cell research.
Distinguish between
undifferentiated cells and differentiated cells
Explain the following term:
Stem cells
