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Minerals and Trace Elements
Oxygen, carbon, hydrogen and nitrogen are the most common elements that make up 96% of the total weight of a mammal. The next most abundant elements are calcium, phosphorus, potassium, sulphur, sodium, chlorine and magnesium. These make up nearly the remaining 4%.
Fifteen additional elements are required but their total combined amount in mammalian body is less than 0.01% of the body weight. Of the known 90 naturally occurring elements how many are essential for life? This is not known for many animals. In humans 26 elements are known to be necessary.
Regulation of Respiration Whenever the need for oxygen in the body increases, ventilation of the respiratory organs also increases. In the same way whenever the level of oxyge
What are respectively some remarkable functions of myosin, CD4, albumin, keratin, immunoglobulin, reverse transcriptase, hemoglobin and insulin? Myosin is a protein that when a
Which are the germ layers present in cnidarians? Which tissues of the animal do they originate? These beings there ectoderm and endoderm, two germ layers. Animals with only two
Electro magnetic radiation Light is one form of energy. The light rays consist of tiny particles called photons. The energy carried by photon is called quantum. Light
write a comprehensive note on vitamins?
A monohybrid cross: A.Determines the genetic makeup of an organism B.always involves homozygous alleles. C.always involves organisms that are heterozygous at all loci. D.Always inv
What is the pleiotropy? The Pleiotropy (or pliotropy) is the phenomenon in which a single gene conditions several various phenotypical traits. Few phenotypical traits may be
What is human eye Accommodation The human eye focuses at objects at infinity, without exerting any power. This means that when a person is observing an object at infinity, the
Two important human fossils that throw much light on the human ancestory were discovered in .Olduvai beds in Africa and in central Java respectively. Although the development of bi
Family
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