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Determine the Role as antioxidant?
Some carotenoids, in addition to serving as a source of vitamin A, have been shown lo function as antioxidants. Studies show that lycopene. (The pigment which gives tomatoes the red colour) is a scavenger of singlet-oxygen, offering powerful antioxidant activity. Antioxidants protect our cells against the effects of free radicals, which you may recall reading in the Nutritional Bio chemistry Course, are potentially damaging compounds produced as by-products of metabolism, as well as, through exposure to toxins and pollutants (e.g. smoking).
Free radicals, as you may be aware, can cause cell damage that may contribute to the development of cardiovascular disease and cancers. Thus, vitamin A and related nutrients may collectively be important in protecting against conditions related to oxidative stress, such as aging, air pollution, arthritis, cancer cardiovascular disease. Cataracts, diabetes mellitus and infection. However, this role has not been consistently demonstrated in humans.
Explain Regulation of Water Balance for Cells in the kidneys? Cells in the kidneys respond to low blood pressure by releasing an enzyme called renin, which in turn causes the k
What is Physiology and Hemodynamic ? Normally, in the post-natal circulation the pulmonary and aortic circuits are in series so that the deoxygenated blood coming into the righ
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What is the group of the phylum Chordata that first colonized the terrestrial environment? From which habitat did they come? Amphibians, partially aquatic partially terrestrial
Pneumonia Pneumonia is an inflammatory process in which there is consolidation in lung caused by exudates filing the alveolar spaces. Gas exchange cannot take place in the c
MYCOPLASMOSIS Mycoplasma organisms are the smallest free living, lack of cell-wall and bounded by a triple layer of plasma membrane. The organisms are pleuomorphic in shape, viz.
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How do chloroplasts multiply? Like mitochondria chloroplasts have their own DNA, RNA and ribosomes and they self-replicate through binary division.
β - Pleated Sheets In this inter molecular hydrogen bonds are present Two or more polypeptide chains come together and from a sheet. Condensation in little. However
Anaplerotic Reactions Anaplerotic reactions are reactions that replenish the intermediates of citric acid cycle. The special enzymatic mechanisms by which the pool
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