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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.
Objectives After studying this unit, you should be able to: 1. Categorise different radiations into ionising and no ionising types, 2. Explain the effects of radiations
Sequence of Actions : The precise sequence of actions in emergency situations is governed by the circumstances. The following order is of general application: (1) Quickly rem
characters of chordates
what is nutrition?
Explain the Formation of sedimentary rocks? Lithification refers to the processes by which loose sediments are consolidated into new rock material. One of the most common forms
Malnutrition and ill health: Are you familiar with the term malnutrition? Malnutrition means either lack of sufficient food or imbalance of nutrients in the diet, resulting in
Explain Nasal secretions and Cerumen Nasal secretions: These can destroy harmful organisms due to lysosomal activities. Cerumen (wax of ear): It traps and kills the bacteria
Explain How tongue can sense different tastes? Our tongue can sense different tastes. Do you know which are the basic tastes and the areas where these are sensed? In humans, th
Objectives After observing the demonstration experiments, you should be able to: 1. State the need for understanding the characteristics of a chemical waste before disposin
What are the chemical properties of acetic acid?
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