food facts

Fats - Fats are also known as lipids. They are long molecules of fatty acids and an alcohol called glycerol. Fats contain the same elements as carbohydrates i.e., carbon, hydrogen and oxygen, but the oxygen content is lower. The main function of fats is to provide energy. In fact they pro..

Mechanism of Digestion - Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This process is called mastification. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with t..

. The large-sized varieties of the species were also found there. For example, he found the giant tortoise attained a huge size of 2m length and 260kg weight. The iguana lizards were also larger and more abundant than the land species. There were 13 species of finches as opposed to only one on the ..

Fats are also known as lipids. They are long molecules of fatty acids and an alcohol called glycerol. Fats contain the same elements as carbohydrates i.e., carbon, hydrogen and oxygen, but the oxygen content is lower. The main function of fats is to provide energy. In fact they provide t..

Biotechnology - Biotechnology is science of manufacturing useful substances, chemicals, medicines by use of living organisms and their life process. In fact, biotechnology is not a new science. Alcohol was the first product manufactured by ancient biotechnologist. In recent years, biotech..

Carbon in Nature - Carbon is an extremely important element and was known from the earliest times in the form of charcoal, soot, etc. Although the amount of carbon in the earth's crust is only eleventh by mass, it ranks as high as oxygen and hydrogen, in importance. In nature, it occurs mainly as c..

Ploidy Breeding - An organism, in which number of complete chromosome sets is more than the diploid number is called polyploid. It is usual practice to express the chromosome number of an organism in diploid, symbolically represented by 2n. In all sexually propagated crops, such expression is of sp..

Forests and Wild Life - The biotic component of our environment on land, i.e. plants and animals (leaving aside the oceans and other water bodies) are overwhelmingly found in forests. Forests form a buffer for the earth to protect life forms; in fact that's where all our biodiversity and ..

>All these issues are very important considerations before it is concluded that a particular type of pollution is dangerous or not in a particular situation. They are also relevant, because working against even the minutestform of negligible pollution may be undesirable, costly and unimportant. In ..

>Restrictions on rate of production Example: A coconut tree cannot bear more than 200 nuts. Restrictions on prerequisites for reproduction Example: Mating is successful within a species / subspecies. Climatic restrictions on existence of life and reproduction Example: Apple cannot be grown in tropi..