Question

(ii) With respect to stem cell therapy answer the following questions
(a) What are stem cells?
(b) How are stem cells preserved?
(c) What are the sources of stem cells?
(d) What are the two types of stem cells based on the sources ?
(e) Give the two uses of stem cells.​

Answer 1

Answer:

( a)A stem cell is a cell with the unique ability to develop into specialised cell types in the body. In the future they may be used to replace cells and tissues that have been damaged or lost due to disease.

Answer 2

(b) For the purpose of preservation, stem cell samples are carefully collected from sources like cord blood , red bone marrow or embryo and kept in small , sterile vials . Those vials are kept in liquid nitrogen at minus 135 degree Celsius to minus 190 degree Celsius



(c) The sources of stem cells are bone marrow , adipose tissue , and blood


(d) The two types of stem cells based on the sources are Embryonic stem cell and Adult stem cell



(e) The two uses of stem cells are for Regenerative Therapy and Organ Transplantation



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