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Biological energy: Whenever matter is broken down its chemical energy is released as heat. Non biological system can utilize this heat energy directly in the performance of work, or may easily convert it into mechanical electrical or other forms of energy. Because these system are an isothermal i.e. they do not maintain constant temperatures. Biological system on the other hand are isothermal they maintain either a fixed body temperature or an optimum range of temperature equal to that of the environment. A rise or fall in body temperature by a few degrees from the constant or optimum temperature has an adverse effect on the structure and function of living cells. Thus living systems cannot use heat energy directly to perform work. These therefore require an energy exchanges i.e. an intermediary compound capable of receiving energy of chemical oxidation directly from the oxidative or energy release processes, storing this energy in its molecules and supplying it directly to the energy consuming processes .Obviously, the energy stored by this compound is the energy used by living system ,and this is called Biological energy.
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
Explain the interaction of vitamin a with Zinc? Its deficiency interferes with vitamin A metabolism. It leads to a reduction in the synthesis of plasma proteins, particularly,
Explain the Techniques of Numerical Taxonomy Many other techniques of numerical taxonomy are available now, some with special objectives. Classification based on the methods
What are DNA ligases? How do these enzymes participate in the recombinant DNA technology? DNA ligases are enzymes specialized in tying the complementary DNA chains that produce
Indications for Surgery : The normal mitral valve area is 4-5 cm 2 . Usually symptoms appear when the valve area has become less than 2.5 cm2. Symptoms are present at rest when t
What characteristics might a breeder select for in (i) a cereal crop, (ii) a farm animal? (i) In a cereal variety, a breeder might select for high yield; disease-, frost- or dr
Animal wastes Large quantities of animal wastes are available in the country but generally they are low in nutrient content with poor feeding value to the animals. However, po
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What is signified by saying that in relation to a given trait conditioned by a gene with two different alleles the gametes are always "pure"? To say so that the gametes are pur
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