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Define the Lymphocytes
They are agranulocytes. The nucleus occupies approximately the entire cell. They vary in size from 6- 18 mm diameter; sometimes divide in small and large lymphocytes. Lymphocytes build up 30% to 40% of all leukocytes. Lymphocytes come in two categorizes: B cells (those that mature in bone marrow) and T-cells (those that mature in the thymus). Let us get to know them. B-cells, while stimulated, mature into plasma cells.
These are the cells which generate antibodies. A specific B cell is tuned to a particular germ, and when the germ is availabe in the body, the B-cell clones itself and generates millions of antibodies designed to eliminate the germ. T-cells, on the other hand, in fact bump up against cells and kill them. T-cells termed as Killer T-cells can detect cells in our body which are harboring viruses, and when it detects such type of a cell, it kills it. Two other types of T-cells, termed as Helper and Suppressor T-cells help sensitize killer T-cells and control the immune Response.
Define Growth Hormone (GH) It is a protein containing 19lamino acids in a single chain. It is secreted by somatotrophs throughout life even though growth stops at adolescence.
FIRE HAZARDS IN THE LABORATORY : The average science laboratory is a particularly hazardous area when it comes to fire. Flammable liquids, compressed and liquefied gases, hazard
what is the electromagnetic spectrum made up of
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Please complete this assignment in Microsoft Word and turn it in as an attachment. Show all work to receive full credit. 1. Given e sw = 57mb and r = 0.5, find T LCL . 2
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Management of Forest Resources: Considering the ever growing demand of wood and realising the importance of conserving our forest resources, it has become necessary to find alt
Explain Vagus Nerve - Neural Control of Respiration The rhythm and depth of respiration are controlled by the reflexes from the vagus nerve. When the lungs are inflated, the
If rate of evaporation affects the size of crystals that grow from solution allowed to evaporate at room temperature.
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