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Explain about the Dessicator?
A dessicator is used to prevent an item from absorbing moisture. It is able to accomplish this because of a chemical, known as the dessicant, is housed within the container.
This chemical, normally sodium sulfate, is extremely hygroscopic and will readily absorb water from the air. Figure illustrates a dessicator used to keep salts that absorb atmospheric humidity. It prevents chemicals from absorbing moisture from air.
THEORIES OF AGEING - 1 . Compromise theory. 2 . Wear & tear theory. 3 . Somatic mutation theory. 4 . Immunity theory - Thymus becom
What are the two main groups into which flowering plants are divided? Angiosperm plants are separated into a) Monocotyledonous (monocots) and b) Dicotyledonous (dicots
Q. What are the male pronucleus and the female pronucleus? The female pronucleus is the proper haploid nucleus of the egg cell and Male pronucleus is the haploid nucleus of the
Q. Describe U - Waves? The U-wave is usually upright if the T is also upright and is highest at low rates. When the heart rate increases to more than 90, the U-wave is rarely v
Which is the brain region responsible for the coordination and equilibrium of the body? In the central nervous system the cerebellum is the main controller of the motor coordin
MISUSE OF BIOLOGY - Biological achievements are used against human race, e.g. 1 . Bioweapons anitbiotic resistant infective micro-organism are used in wars. e.g., A
Suppose that you are raising Downton wombats, carefully because they bite when teased.You notice that some of your wombats have white spots, whereas others have solid coats. What t
Which hormones stimulate glycogenolysis? Glucagon in liver and epinephrine in liver and muscle stimulate glycogenolysis.
Human Impact on the Phosphorus Cycle Like other biogeochemical cycles, human activities have altered the phosphorus cycle. Human beings mine phosphate rocks and guano deposits
Explain the Protein Deficiency? One of the most common nutritional disorders in the world today is the deficiency of protein. Both adults and children are affected, as the popu
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