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Pollution - Environmental Pollution
Pollution refers to any undesirable change in the physical, chemical or biological characteristics of our environment, i.e. air, water and oil that may or will adversely affect humans or other species and life support systems of our biosphere directly or indirectly. A substance whose introduction into a resource damages the latter's usefulness is called a pollutant. Pollutants are grouped into two broad categories:
The non-biodegradable pollutants such as heavy metals, pesticides, move through the food chain and may get magnified to dangerous levels in higher trophic level organisms. Some of these combine with other compounds and produce toxic substances. However, biodegradable materials such as human and animal wastes, agro-based residues and fertilisers can also pose a threat if their quantities or inputs exceed the Assimilative capacity of the environment.
Q. Dietary tips for hyperlipideinic patients? It is important to note here that the dietary modifications need to be individual in each patient and these should be tailored lo
what is the arrangement of microtubules in the sperm
Centrifugal Pump: This is available for clinical perfusion from 1976 (Bio Medicus Pump). It is disposable, causes less blood trauma and reduces the risk of massive air embolism.
Driving Force - Mineral Nutrition Let us now find out what is the driving force involved in protein mediated transport. Many membrane transport proteins allow specific solute
Sickling occurs in deoxyhemoglobin S, but not in oxyhemoglobin S. Oxyhemoglobin has a small hydrophobic \"pocket\" in a ß chain region located in the interior of the protein. In de
Describe the Organization of the Vascular Plant Body? A typical plant body consists of two distinct systems: a root system and a shoot system. The root system is usually below
What is eukaryotic cell?
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 are peptides and poly peptides hormones
Q What is genetic code? Genetic code is the key for the conversion of the DNA nucleotide sequences and thus the RNA nucleotide sequences into amino acids sequences that will co
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