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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.
how does measurement of light scattering allows the growth of cells to be monitored.
diagram of phyllum protozoa
Q. Principles of Numerical Taxonomy? Numerical taxonomy is based on the following 7 principles. 1) The greater the content of information in the taxa of a classification is an
2.?In order to increase muscular force production, muscular contractions may be modulated in two ways. Explain.
Determine the change in the amount of intracellular chloride Complete motor neuron is removed from a frog and placed in a large volume of normal physiological saline. The neur
Define functions of Organic Phosphorus? It is involved in the following reactions/components: a) Structural component of nucleic acids: It is important component of DNA and
Define about Calcium and Osteoporosis? Gain in bone mass occurs throughout childhood; however, during adolescent growth spurt, the gain in bone mass, as well as, calcium retent
How do birds reproduce? Birds, like each vertebrate, have sexual reproduction. Their embryos develop within shelled eggs having extraembryonic membranes and outside the mother'
Assessment The child with wilm's tumour will present you with a large mass in the loin or an enlarging abdomen. This mass may be noticed accidently by the parent of the chi
Stethoscope Stethoscope is used for listening to the internal sounds of a body. Stethoscopes vary in their design and material. Most are made of Y-shaped rubber tubing. This sh
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