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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.
The major component of food is protein. The proteins ingested as part of our diet are not the same proteins required by the body, nor can large molecules be absorbed from the gut.
Birth Marks (Naevi): Birth Marks is also known as naevi. It is a multiplication of one or more cutaneous elements within the skin. It is defined as a congenital, ci
What are similarities and differences among the transcription process and the replication processes? A DNA polynucleotide chain serves as a template in replication (DNA duplica
List specific reasons why the inflammatory response is considered a body defense mechanism.
Cobalt (Co) - Micronutrients The Co concentration in the dry matter of plants grown in soil normally lies around 0.02 to 0.5 ppm. In soils the content varies from 1 to 40 ppm.
Q. Explain about Gastro Oesophageal Reflux Disease? GERD refers to the regurgitation of acidic stomach contents into the oesophagus. It results in a spectrum of clinical manife
genral charecter and classificatin of porifera
what is gene?
Mention the role o ribosome's in peptide -bond formation .How does ATP facilitate it? a) Of springs derived by asexual reproduction are known as clones. Justify giving two R
introduction
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