Chemistry NCERT Exemplar Solutions Class 12th Chapter Sixteen

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Aspirin prevents platelet coagulation and thus has antiblood clothing action, therefore, can prevent blood clotting in heart.

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Tranquilizers are used in sleeping pills.

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Antibiotic, arsphenamine possesses -As = As – linkage that resembles -N =N – linkages in azo dyes.

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Ionic bonding, hydrogen bonding, van there Waals interaction, dipole-dipole interaction, etc., are involved in binding.

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Sites different from active site of enzyme where a molecule can bind and affect the active site is called allosteric site. Some drugs may also bind at this site.

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Hyperacidity in the intestine creates ulcer, gastric reflux and oesophagitis.

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Receptors are embedded on the outer surface of the cell membrane.

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Antiseptics, antibiotics, disinfectants and sulpha drugs come under antimicrobial drugs.

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Antiseptics are chemicals which either kill or prevent the growth of micro-organisms and are applied to the living human tissues.

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Medicines are used in diagnosis, prevention and treatment of diseases.