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explain electric lawn-mower a television set having a power rating of 120w and electric lawn-mower of power rating 1 kw are both linked to a 240v
determine the role as antioxidantsome carotenoids in addition to serving as a source of vitamin a have been shown lo function as antioxidants studies
define integrity of epithelial tissuesvitamin a is essential for the integrity of the mucous-secreting cells in fact vitamin a maintains the health
define the role of vitamin a in immune responsevitamins a is essential to normal immune function and- regulation as discussed above during vitamin a
define role in growth and cellular differentiationthe growth and differentiation of epithelial cells throughout the body are especially affected by
define the functions of vitamin avitamin a retinol is an essential nutrient needed in small amounts by humans for the normal functioning of the
define factors influencing the efficiency of bioconversion amount of provitamin a presented to the cell differential conversion by stereoisomeric
illustrate examples of systems out of equilibriumexamples of systems out of equilibriuma a stone thrown upwards that is at its highest pointb a plane
define factors influencing uptake from lumen to intestinal cells inhibition by intrinsic matrix inhibition by dietary fiber sources
examples of systems in equilibriuma a stone resting on the groundb a pencil balanced on your fingerc a ladder placed against the wall an aircraft
explain internal or external forcesforces can be internal or external for instance the mutual attraction of atoms within a block of wood are known as
explain the storage of vitamin athe primary organ for storage of vitamin a is the liver reserves are found in the stellate cells as mentioned above
explain the transportation of vitamin athe chylomicra and retinal-binding protein play an important role in the transport of retiuol this chylomicra
explain transport and utilization of vitamin athe efficacy of the intestines to facilitate absorption and utilization of retinoid s and carotenoids
explain newtons first lawan object will remain at rest or move with constant velocity until acted upon by a net external forcea non-accelerating
define the absorption of vitamin avitamin a and carotenoid tend to aggregate with lipids into globules which then pass into the small intestine
what is modern viewmodern view it objects tend to remain in their initial state force is needed to change motionresistance to alters in motion is
what is ancient viewancient view objects tend to stay if they are in motion force is needed to keep something moving this was a natural thing to
explain vectorsvectors a quantity that has a size as well as direction is known a vector so for example the wind blows with some speed and in
define requirements and recommended dietary allowances rdawhat do we mean by requirements and rda the requirement level is the amount of nutrient
explain displacement xt is known as displacement and it denotes the position of a body at time if the displacement is positive then that body is to
define the bioavailability of vitaminsthe term bio availability refers to the overall efficiency of utilization including physiological and
define absorption storage and elimination of vitamins reading through this section you would realize that all fat-soluble vitamins undergo similar
what are fat soluble vitamins as we already know there are four fat-soluble vitamins - a d e and k the presence of fat is required for the
explain about the importance of vitaminsvitamins are the organic substances that act as coenzyme andor regulator of metabolic processes there are 13