Biological parameters of water quality/ Biological characteristics of water Biological parameters are important factor that determine quality of drinking water. It is more important than physical […]
Water pollution and types of water pollutants Water pollution: Any chemical, biological and environmental change in water causes adverse effect on health of living beings […]
Microbial interaction and types (Mutualism, Syntropism, Proto-cooperation, Commensalism, Antagonism, Parasitism, Predation, Competition) Microbial interaction Microorganisms interacts with each other and can be physically associated with […]
Microbial ecology and Role of microorganism in ecosystem Microbial ecology It is the relationship of microorganisms with one another and with their environment. Microorganism impacts […]
Transduction: generalized and specialized transduction Transduction is a method of gene transfer in bacteria from donor to recipient using bacteriophage. In transduction at first bacteriophage […]
High frequency recombination (Hfr) cell conjugation and F-prime (F’) cell Hfr cell When F-plasmid (sex factor) integrated with chromosomal DNA then such bacteria is known […]
Food chain, trophic levels and flow of energy in ecosystem Food chain: Transfer of food from one trophic level to another through series of organisms […]
Nitrogen cycle: Steps of Nitrogen cycle Nitrogen undergoes a number of transformation that involves synthesis of organic compounds (amino acids, proteins, enzymes, chlorophylls, nucleic acids) […]
Difference between mitosis and meiosis SN. Point of distinction Mitosis Meiosis 1. Occurrence It occurs in all somatic cells or vegetative cells (except gamate formation) […]
Meiosis: Meiotic cell division, stages and significance Meiosis is a cell division in which four haploid cells are formed from a single diploid cell. It […]
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