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Stems transport liquids
(a) Cut about 2 cm from the end of stems of celery and place them in cold water for about an hour to freshen. Next place the stems in dishes having red ink and let them stand for various hours. Observe the Stalks carefully. Cut them up into various Short lengths and observe where the ink has moved upward in the stem. Try to pull some of the tubes out of the celery stems.
(b) Cut about 2 cm from the end of the flower stalks of white carnations. The cutting Should be done with a sharp knife and under water. Place the stems with flowers in glasses having different shades of food colouring or coloured ink. Observe after various hours.
State the symptoms of epilepsy Three particular symptoms are found in many types of epilepsy: 1) An aura, or warning, of impending seizure: This aura may take the form of a
Prevention of Accidents - Accidents and Losses The theories of accident causation explained earlier serve as good guide to prevent accident. The factors that may cause acciden
A) Definitive Infective Endocarditis 1) Pathological Criteria • Micro organism: demonstrated by culture or histology in a vegetation; or in a vegetation that has embolize
What are the main constituents of the earth's atmosphere in our time? The present atmosphere of the earth is constituted essentially of molecular nitrogen (N2) and molecular ox
Q. Chemical Agents Available for Sterilization? Chemical Agents: these include the following: Alcohols: ethyl alcohol, isopropyl alcohol, trichlorobutanol Aldehydes: f
Q. What are the Signs used in acute pericarditis? • Pericardial friction rub is pathognomonic of pericarditis. It is heard as a phasic scatching sound. It may vary with phases
Define Reagent for Separation of Amino Acid by Paper Chromatography? The following reagents will be required for carrying out the experiment: 1. Amino acid solution- Weig
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What is the epidemiological association between hemophilia and HIV infection? As hemophilic patients need frequent transfusions of clotting factors (VIII or IX) they are more s
Which are the more abundant ribosomes in secretory cells - the free cytoplasmic ribosomes or those associated with the rough endoplasmic reticulum? Free cytoplasmic ribosomes
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