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Describe Structure of biological compounds?
Structure : The most important chemical compounds in living systems are probably the organic compounds. The term "organic" in the past was used to refer to compounds that were thought to be formed only by living things. Today, the term "organic" is used to refer to chemical compounds containing carbon combined with hydrogen, and often oxygen. By convention, carbon dioxide, carbon monoxide, and carbonic acid are not considered to be "organic," even though they contain carbon.
Our form of life is often referred to as being "carbon-based." because carbon forms the basic structural framework (skeleton) of all living material. Long chains of carbon atoms, or backbones, form large molecules called macromolecules; which can be branched, or form single or compound rings. Macromolecules' ability to form a wide variety of shapes and sizes of molecules allows for an equally wide range of biological structures and functions. Various functional groups of atoms that determine the characteristics and chemical reactivity of the molecules are attached to the carbon backbones. Examples follow:
Living organisms are composed of 4 major types of organic compounds: carbohydrates, lipids, proteins, and nucleic acids.
How would you prepare 90 ml of .01 M potassium dichromate dissolved in water? Molecular mass of potassium dichromate is 294 g/mol.
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Briefly explain about the Sit-ups Test? To measure muscular endurance, bent knee sit-ups can be done. Sit-ups begin with the subject lying flat on their backs with their knees
why are life forms significant?
DEFICIENCY DISEASES Animals may suffer from diseases caused by deficiencies of energy and proteins, mineral nutrients and vitamins, which generally occur either due to deficiency
Availability of nutrients in soils The productivity of a crop depends largely on the nutrients discussed in the previous section. It is important to find out methods which wil
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