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Micro-organisms:
The micro-organisms mixed up in aerobic absorption and their activities are the same as those found in nature. The organic compounds are oxidised to H2O and CO2, and nitrogenous elements and biomass are also created. However in waste water, the organic materials are present in much larger concentrations than in nature. so, the microbial population and activities are gained accordingly by (i) giving large surface for bio film creation and O2 exchange in fixed film structures, basically trickling filters, and (ii) returning a type of the operated sludge to the digester vessel and creating effective aeration arrangements.
Explain the salient features biochemical origin of life.
What is the relationship between the concept of reproductive isolation and the concept of species? The Reproductive isolation is an important concept because it defines the con
Two gene loci, A and B, assort independently, and alleles A and B are dominant over alleles a and b. Indicate the probability of producing: An aB phenotype from a cross AaBb x AaBB
Give three examples of abiotic factors and explain how they interact. Abiotic factors contain temperature, humidity, pH, salinity, O 2 concentration, amount of sunlight, avail
Locomotion in Annelida Before we discuss the details of locomotion in annelids, we have to recapitulate the major subdivisions of the phylum Annelida. Phylum Annelida contain
Spinal cord Spinal cord is a long and cylindrical structure. It passes through the vertebral column extending all along the dorsal surface of trunk. Vertebrae of the v
Define Gastrointestinal tract - Excretion of Zinc in Humans? Majority of zinc is lost from the body in faeces. Endogenous zinc in the form of enzymes or metallo-proteins is sec
Are nematodes exclusively parasites? There are parasitic roundworms, containing parasites of plants, but there are also free-living nematodes.
Carbohydrate characteristic chemical features include: Select one: a. the potential to form multiple hydrogen bonds. b. the existence of one or more asymmetric centers.
Cancer Lung Incidence of cancer lung is more in persons who smoke. Environmental and industrial pollution is also a risk factor in the increase in incidence. Clinic
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