Define the term blood stem cells
Define the term blood stem cells?
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Stem cells are undifferentiated cells capable to distinguish into other kinds of specialized cells.
The stem cells of bone marrow originate the distinguished blood cells. According to stimulus from particular growth factors the stem cells are converted into red blood cells, leukocytes and mega-karyocytes (cells which form platelets). Research exhibits that stem cells of the bone marrow can as well distinguish into nervous, muscle and hepatic cells.
Describe briefly the term bone matrix? And also write down its main components?
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Explain the restriction enzymes? How do these enzymes contribute within the recombinant DNA technology?
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Name the rule for the pairing of nitrogen having bases in the DNA molecule? And in RNA? Is this question proper?
What are the other names by which erythrocytes are recognized? And also write down the main function of these cells?
Explain the ecological role of earthworms?
What are the merits of indirect immuno fluorescence?
What are various illustrations of biological activities in which osmosis executes a significant role?
Write down an example of negative feedback of homeostatic regulation?
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