In this essay we will discuss about the phosphorus cycle with the help of a diagram. Phosphorus is one of the nutrients of major importance to biological systems and is the constituent of energy rich compounds e.g. ADP, ATP, GTP. It is also found in plasma membrane, shells, bones and teeth. Phosphorus is indispensable for life, metabolism and required for [...]
In this essay we will discuss about the sulphur cycle with the help of a diagram. Sulphur is a component of three amino acids (Cysteine, cystine and methionine), so is a component of most proteins, some vitamins and enzymes. Sulphur cycle is a sedimentary cycle as it is found in nature as element and also as sulphates in soil, water [...]
In this essay we will discuss about the oxygen cycle with the help of a diagram. Oxygen is about 20-84% in the atmosphere. Organisms respire aerobically in the presence of oxygen.During respiration, it combines with hydrogen to form water. It is found as a component of oxidised salts CO2 arid H2O. Oxygen enters the plants and animals through respiration during [...]