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পোলিওমাইলাইটিস পোলিওভাইরাস দ্বারা সৃষ্ট, পোলিওমাইলাইটিস পোলিওভাইরাস টাইপ 1 দ্বারা সৃষ্ট
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What is type metal?
In printing, type metal (sometimes called hot metal) refers to the metal alloys used in traditional type founding and hot metal typesetting. Lead is the main constituent of these alloys....
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Write the balanced chemical equation for the following and identify the type of reaction in each case.
Answer (a) 2KBr (aq) + BaI2 (aq) → 2KI (aq) + BaBr2 (s): Double displacement reaction (b) ZnCO3 (s) → ZnO (s) + CO2 (g): Decomposition reaction (c) H2 (g) + Cl2 (g) → 2HCl (g): Combination reaction (d) Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (g)...
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Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
(a) N2(g) + 3H2(g) + Catalyst(773 K) → 2NH3(g) Combination reaction (b) NaOH(aq) + CH3COOH(aq) → CH3COONa(aq) + H2O(l) Double displacement reaction/Neutralisation reaction (c) C2H5OH(l) + CH3COOH(l) + H+ → CH3COOC2H5(l) + H2O(l) Double displacement...
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Define the terms Antigen and Antibody. Name any two diagnostic kits based upon them.
An antigen is a foreign substance that elicits the formation of an antibody. Antibody is a protein that is synthesised in response to an antigen. Antigen and antibody show high degree of specificity in binding each...
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ELISA technique is based on the principles of antigen and antibody interaction.
Yes. One can use antibody against the enzyme (that is responsible for the metabolism of phenylalanine) to develop ELISA based diagnostic technique. The patient where the enzyme protein is absent...
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Define the terms Antigen and Antibody
An antigen is a foreign substance that elicits the formation of an antibody. Antibody is a protein that is synthesised in response to an antigen. Antigen and antibody show high...
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ELISA technique is based on the principles of antigen and antibody interaction. Can this technique be used in the molecular diagnosis
Yes. One can use antibody against the enzyme (that is, responsible for the metabolism of phenylalanine) to develop ELISA based diagnostic technique. The patient where the enzyme protein is absent...
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Classify each of the following as either a p-type or n-type semi-conductor
Hint : (a) Ge is group 14 element and In is group 13 element. Therefore, an electron deficit hole is created. Thus semiconductor is p-type. (b) Since B is group 13 element...
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Classify each of the following as being either a p-type or an n-type semiconductor: (i) Ge doped with In
(i) Ge (a group 14 element) is doped with In (a group 13 element). Therefore, a hole will be created and the semiconductor generated will be a p-type semiconductor. (ii) B (a...
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How can the two emulsions can be distinguished : (a) oil in water type (o/w) and (b) water in oil type (w/o)
[Hint : (a) By dilution test (b) By dye test]
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