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Explain Modulating Process of Ageing
Despite various researches, ageing becomes an inevitable process. The only option is to have good control measures. These are highlighted herewith:
a) Nutrition: Caloric restriction retards ageing. Isn't that interesting? This is due to decrease in O2 consumption, decrease in free radicals and a decrease in peroxidation.
b) Exercise: Regular exercises increase O2 uptake capacity. It improves cardiac performance and reduces muscular-skeletal disabilities. Age-related 'Resting Metabolic Rate' (RMR) gets reduced in exercising individuals and helps to increase antioxidant reactions.
The only organism, which does not die, are the unicellular ones, they just divide as two cells. During meiosis (cell division process), recombination occurs. It replaces damaged DNA. Thus, the zygote has a perfect genome. Further life continues.
Diseases Spread by Insects or Other Carriers: We know malaria is transmitted by the female Anopheles mosquitoes. Dengue fever and filaria are also caused by mosquito's bite. T
A) thickness of the respiratory membrane B) gas concentration gradients C) decrease in pulmonary ventilation D) lung surface area E) no exceptions
i need some facts about them
How do minerals become rocks and rocks become soil? Ans) Minerals become rocks by pressure and temperature, often deep inside the earth's core, or easily through pressure for i
role of friction in snow..?
Explain Ester formation Ester formation : In presence of dry HCl, amino acids react with alcohol to form esters. This is one of the ways of blocking XOOH group in the
Oxidising Substances : It includes oxidising substances and the organic peroxides. Oxidising substances are by themselves not combustible but by feeding oxygen to other substances
Minerals: Our bones and teeth contain large amounts of calcium. An adult has a total of about 1 kg of calcium and a baby has about 30g in their bones. So, during the period o
Food Chain: As you know from the discussion of the previous subsection, one of the ways in which the organisms are related is through food, that is, one organism becomes food
1. city destroyed by earthquake in 1923? 2.the place where two plates collide and one goes over top the other? 3.sudden stress changes in the earth that cause ground shaking.They o
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