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An egg osmometer
Place some dilute hydrochloric acid or strong vinegar in a shallow dish, likeas a saucer, to a depth of about one centimetre. Hold the large end an egg in the acid unless the shell has been eaten away on the end leaving the thin membrane exposed. Rinse the acid from the egg. With a shar instrument work a small hole by the shell at the other end. Insert a soda straw or a length of glass tubing by the hole into the interior of the egg. Seal the opening around the tube with house hold cement or sealing wax. This must be absolutely tight. Place the osmometer in a glass of water and let it stand for a few hours.
Explain the Feeding process for Preschoolers? The word preschool children, you may be aware, is used for children less than six years of age. After the first year, there is a s
You are working with plants that have either hairy (dominant) or 'bald' (recessive) flowers. Hairy flowers have little hairs on them that make the flowers look fuzzy, bald flowers
what is the habitat of spongilla
Is a gene a triplet of consecutive DNA nucleotides? A gene is not a triplet of DNA nucleotides with their respective nitrogen-containing bases, like AAG or CGT. The nucleotide
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