Typically, DNA is created from RNA, and this is done by faithfully copying the sequence of base pairs, with the only change converting T to U. Hence, an RNA copy of a DNA sequence encodes the identical information, though it uses a slightly different set of 4 substances.
Soil organic carbon is part of the natural carbon cycle, and the worldâs soils holds around twice the amount of carbon that is found in the atmosphere and in vegetation. Organic material is manufactured by plants using carbon dioxide from the air and water.he amount of soil organic carbon present in soil can vary hugely according to soil and landscape types,an and c climate an change in the same paddock over time depending on climate and farming methods.
Soil respiration is a key carbon cycle process that moves carbon from soil to the atmosphere in the form of CO2and methane (CH4). to the atmosphere drives how much carbon eventually gets stored in soil.ecomposition and Soil Respiration. Decomposition and soil respiration are tightly coupled carbon cycle processes. As soil microbes decompose dead material into simpler organic and inorganic carbon compounds, soil microbes respire and in doing so release carbon back to plants and the atmosphere in the form of CO 2.