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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.
Grazing Food Chain - Food Chain Grazing food chains are quite familiar to most of us. Cow or deer grazing in a field represent a grazing food chain. Similarly, eating of phyto
Determinants of Health Status The linkage between economic development and health was discussed in the previous unit. The present unit deals with an identification of the factor
Energy Cycle of Living Being Source of energy :All matter locks energy in the from of bonds between component molecules and atoms. This energy is the chemical ener
EGESTION To give out undigested food from alimentary canal. Faeces can remain in colon for 36 hrs. then moving into rectum by gastro-colic reflex. Faeces consists of 3
Q. What are the pentoses? What are the vital roles of pentoses in DNA and RNA molecules? Pentoses are carbohydrates whole of five carbons. The DNA molecule is made of a sequ
What are the main functions of (a) the basal (Malpighian) layer, (b) the cornified layer of the skin? (a) The basal (Malpighian) layer makes new skin cells and the pigment
What is the difference between ulcerative colitis and Crohn's disease? The differences between the two include: I) Anatomic distribution of the inflammatory process: Crohn'
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Enzyme Activity Enzymes are biomolecules which catalyze (i.e. increase the rates of) chemical reactions. Almost all enzymes are proteins. In enzymatic reactions, the molecules
Define Classification of Carbohydrates? Carbohydrates are defined as polyhydroxy aldehydes or ketones or substances that produce such compounds when hydrolyzed. Carbohydrates a
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