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Photosynthesis
Two main energy pathways are recognised in living systems. These are photosynthesis and cellular respiration. Both have their respective but different electron transfer chains. During photosynthesis carbohydrates are synthesized from carbon dioxide and water in the presence of sunlight and the green pigment chlorophyll. This is an anabolic process. In this process radiant energy of the sun is converted into chemical energy and stored in the chemical bonds of carbohydrates.
Note: The sun is the ultimate source of energy for all activities of living matter.
Estuaries - Aquatic Ecosystems All the rivers and lakes ultimately drain into the sea. However, many rivers develop a highly specialised zone before joining the proper sea. Th
Material Basis of Primitive Life: In the primitive society, human beings invented tools for catching animals, and for collecting, transporting and even preparing food. They l
State the list of Behavioural Observations A typical list of domains would include the following: Mood and affect Motivation and cooperation Social interaction
What type of compound is the major metabolic waste of Porifera? Why is it important for the organism to get rid of this compound?
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First Systematic Theory in Psychiatric Nursing: Hildegard Peplau, one of the nurse-theorist, published a book on Interpersonal Relations in Nursing (1952) and gave-the introd
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Explain th eobjective of intensive care? After reading this unit, you should be able to: • know how to organize an intensive care unit; • practice effective cardio pulmonary
What is Hyperhomocysteinaemia ? Homocysteine has been considered as a risk factor for Cardio-vascular diseases because of many epidemiological and observational studies showing
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