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Explain the Bioavailability of nutrients?
The amount of many nutrients needed in the diet depends on the absorption or bioavailability of the nutrients. Bioavailability is defined as 'the percent of the dietary nutrient absorbed and utilized for a specific function by the body'. The percent absorption varies widely for different nutrients depending on the quantities ingested and the presence of other constituents of the diet. Examples are: iodine absorption is nearly loo%, calcium absorption in a normal adult is about 40% to 60% while that of iron varies from 1% to 15% , depending on the type of iron and other constituents of the diet. The concept of bioavailability is best illustrated by iron, Iron is present as inorganic iron in vegetarian foods and as organic iron in meat and flesh foods, The inorganic form of the iron, as you may already be aware, is known as 'non-haem iron' while the organic form is known as haem iron. The 'non-haem iron'' absorption is affected by several constituents of the diet while haem iron absorption is relatively independent of these constituents.
Following a meal, fructose 2,6 bisphosphate levels will be elevated in the liver. Under these metabolic conditions, all of the following enzymes will be active except: -PFK1
DIFFERENCE S BETWEEN MAN & RABBIT - S.NO . 1. M A N Brain round RABBIT Elongated 2. Olfa
Is the upward move of warm air good or bad for the dispersion of pollutants? The upward movement of warm air is a natural method of dispersion of pollutants. The air near the g
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What is the name of the cells capable of making gametes? What is the ploidy of these gamete-forming cells? The cells that form gametes are the germ cells as opposed to the soma
before stem cuttings are planted the cut end of the stem is often dipped in a hormone powder .what is the point of this?
Define Essentiality of Vitamins for Growth of Micro-Organism Vitamins are also essential in small amounts for cellular activities and growth. These are also the coenzymes for a
Explain what is Inversion ? Inversion is another way in which genetic recombination can occur, as seen below. In this case, the change occurs within a chromosome, rather than b
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Determine about the nervous tissues The nervous tissues throughout the body, including the visual nervous system, are continuously active. Electrical reactions can only be indu
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