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प्रश्न
For the purpose of preservation stem cell samples are kept in __________.
विकल्प
liquid oxygen
hydrogen
liquid chlorine
liquid nitrogen
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उत्तर
For the purpose of preservation stem cell samples are kept in liquid nitrogen.
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संबंधित प्रश्न
What are stem cells?
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 ____________.
_____________ is the revolutionary event in biotechnology after cloning.
____________ are present in the umbilical cord by which the foetus is joined to the uterus of the mother.
Find an odd one out.
Define.
Stem cell
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.
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
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?
