What are natural killer cells
What are natural killer cells?
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These are big granulated lymphocytes posse’s spontaneous cytotoxicity in the direction of different target cells mostly the malignant cells and virus infected cells. Their cytotoxicity is not antibody dependant. They join to glycoprotein receptor of target cells and discharge cytolytic factor.
Describe what are twins?
State the type of circulatory system molluscs has? And compared it with the respiratory system of the annelids?
Much of the literature of this learning, seems to be following in the tradition of learning theories and taking a psychological or individual perspective on the phenomenon. There is a debate about whether or not organizations can learn and many just take the approach
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What are iccosomes? Explain in short.
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What is acquired immunity?
When a fragment of nucleic acid has a nucleotide sequence TAC, can anyone assert that it is a codon or an anticodon?
discuss how polymorphism in the cnidarians might have influenced adaptive radiation of the group
What are the major events of the primary mitotic period?
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