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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.
Trophic Level - Ecosystem In an ecosystem, the various biotic components are related to each other and form food chains. If we group all the organisms in a food chain accordin
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Procedure for Morphological Characteristics of Yeast Cells? Now carry out the exercise following the steps enumerated herewith: (1) Label the clean, non-greasy slide. Put fe
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Phylum Zooflagellata (Animal Flagellates) 1) At some stage of life-cycle they have one or more flagella. 2) They feed heterotrophically by absorption or phagocytosis, and
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Restriction endonucleases are enzymes which: 1. make cuts at specific positions within the DNA molecule 2. recognize a specific nucleotide sequence for binding of DNA ligase
What are deciduous trees? Deciduous trees are plants that lose their leaves in a period of the year. In the case of the deciduous trees of the temperate forest the fall of the
Suppose that the type of drink did not affect which can floated or sank. May be the cans themselves were different in some way. May be something besides soda got into one of the ca
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