Explain how nutrients are obtained from our diet, and the contribution of each nutrient to the aerobic respiratory pathway

1.Digestion, Nutrition & Bonds Foodstuffs in the first place consist of biopolymers (complex carbohydrates, proteins and lipids); large molecules do of monomers (sugars, amino group acids and dipper acids/glycerol) connect to take onher by chemical trammels. Bonds atomic number 18 of merry importance in living systems, as they argon broken in digestion, to impart vital force - they argon exergonic reactions - and constructed in repair and growth - endergonic reactions - where the zilch previously generated is harness. Carbohydrates®Monosaccharides ®4 kcals g-1 Proteins® aminic Acids (AAs)®4 kcals g-1 Lipids® Fatty Acids (FAs) and glycerin®9 kcals g-1 Whilst some(prenominal) constipate motley systems exist the most authorised in physiology is the covalent bond; where two atoms sh argon outer causa electrons, devising both more(prenominal) stable. This forms the basis of peptide; proteins, ester; fats and saccharide: carbohydrate, biopolymer backbones. The noodle bond; electrons are transferred between atoms comes a close second, they are differentiate to the oxidation/ simplification (redox) reactions, figure 1, of cellular energy generating systems whose body process is harnessed and then stored within adenosine triphosphate (ATP), (Houston, 2001). They are also vital to the formation of ions within body fluids, e.g. Na+, Ca2+, Mg2+, Cl-, H+; every last(predicate) play a direct or indirect fictional reference in the energy generating pathways and in other vital areas, e.g. cheek conduction. Table 1: The main Nutrients NutrientNotes Carbohydrates -Mostly in the form of complex carbohydrates (polysaccharides) Proteins -Twenty amino acids are found in human proteins, only 12 of which can be produced in the body.

The remaining eight are the essential amino acids and essential be dietetical supplied. Lipids -Usually in the form of triglycerides, which become fatty acids (FAs) and glycerol Minerals -There are twelve mark minerals, which must by dietary supplied; Calcium, Magnesium, Phosphorous, Iron, Potassium, Zinc, Iodine, Copper, Molybdenum, Manganese, Chromium and Selenium. Vitamins -Small organic molecules that bucket along metabolism by help as... The shew was well explained. I have always had fuss reading and understanding science. This bear witness was clear and conscise for an amateur reader. tidy source of information. If you want to issue forth a full essay, recite it on our website: Orderessay

If you want to get a full information about our service, visit our page: How it works.