Asexual and sexual reproduction in Paramecium
Asexual reproduction: Paramecium reproduces asexually by transverse binary fission and is found during favorable conditions. Binary fission in Paramecium completes in the following steps: Paramecium […]
Month: November 2019
Different types of roots and their modifications in plants
When the primary root, which is a direct prolongation of the radicle, remains distinct throughout the life of the plant and gives off lateral branches, […]
A typical plant leaf (Different parts and types)
The leaf is a flattened lateral out-growth of the stem/ branch and bears a bud in its axil. It is green in color due to […]
Fehling’s test (Principle, reagents and materials required, procedure and result interpretation)
The Fehling test was developed in 1848 by Herrmann Fehling. Like Benedict’s test, it is also a sensitive test for the detection of reducing sugars. […]
Bacteriological evidence of water pollution by coliform bacteria
Pathogens that enter into bodies of water arrive there via intestinal discharges of humans or other animals. Furthermore, certain bacterial species, particularly Esherichia coli and […]
Applied areas of microbiology
Microorganisms affect the well-being of people in great many ways. They occur in large numbers in most natural environments and bring about many changes, some […]
Antibiotics as chemotherapeutic agents (characteristics and qualities)
Antibiotics are a special kind of chemotherapeutic agent usually obtained from living organism. The word ‘antibiotic’ has come to refer to a metabolic product of […]
Bacterial spores and their types
Certain species of bacteria produce spores, which are metabolically dormant structure and might be present either within the cell (endospores) or external to the cell […]
The origin of HeLa cells
It was in the winter of 1951 when Henrietta Lacks, a young black woman of 31 went to the medical clinic of Johns Hopkins University […]
Importance of wastewater treatment and its disposal
Wastewater treatment is necessary before wastewater can be disposed of without producing significant undesirable or even harmful effects. However, some communities and municipalities still dispose […]