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प्रश्न
For the purpose of preservation stem cell samples are kept in __________.
विकल्प
liquid oxygen
hydrogen
liquid chlorine
liquid nitrogen
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.
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.
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.
Define.
Stem cell
Give scientific reason.
Stem cells are extremely important in regenerative therapy.
State two types of 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.
Explain the statement.
The revolutionary phenomenon in biotechnology after cloning is stem cell research.
______ cells are undifferentiated mass of cells.
Explain the following term:
Stem cells
