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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.
The trp (tryptophan) operon which is shown in the figure will have five structural genes encoding enzymes for tryptophan biosynthesis with an upstream Ptrp (trp promoter)
Q. In 1665 Robert Hooke, an English scientist, published his book Micrographia, in which he explained that pieces of cork viewed under the microscope presented small cavities simil
The biomass available for consumption by the herbivores and the decomposers is called : 1. Net primary productivity 2. Secondary productivity 3. Standing crop 4. Gross
Pesticides - Danger to Wildlife Another recently realised danger to wildlife in many parts of the world has come from the development of more effective pesticides. As agricult
translation in eukaryotes..
Using a Tissue Punch The implant heads are located and using a suitable sized tissue punch(depending on the implant diameter), the tissue punch is used and takes a circular pie
Alterations occurring in milk and milk products In the dairy industry, milk is commonly given heat treatment for a wide variety of purposes. Depending on the heating temperatur
Why are the plants having single-seeded fruits and plants having fruits with surplus one seed? The Plants that produce single-seeded fruits, for instance, avocado and mango oft
the excretory waste products formed breakdown of protein
Mandibular Ramus Serves as an intraoral autogenous bone donor site. Cortical bone upto 4mm thickness may be harvested from the ramus. Harvest of bone from this area requires kn
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