Sagar Aryal, PhD 
CBSE Class 12 Biology (Code No. 044) Course Structure Unit Title Marks VI Reproduction 16 VII Genetics and Evolution 20 VIII Biology and Human Welfare 12 IX Biotechnology and its … Read more
Quantitative and Qualitative Data Definition Qualitative data is data concerned with descriptions, which can be observed but cannot be computed. On the contrary, quantitative data is the one that focuses on numbers … Read more
Starch is the reserved food material of most plants and is one of the abundant carbohydrates in nature. Starch is a polysaccharide made of two glucose polymers –amylose and amylopectin. … Read more
Haemophilus spp. is a genus of Gram-negative, aerobic or facultatively anaerobic, pleomorphic (mostly coccobacilli), Gammaproteobacteria of the phylum Pseudomonadota and family Pasteurellaceae. Several species of the genus Haemophilus are pathogenic … Read more
(a) Margination: With the decrease in blood flow rate, leucocytes flow nearer to the vessel wall. (b) Rolling on endothelium: They roll along the surface of the endothelium and line-up … Read more
Monosaccharides – Structure, Properties, and Examples Disaccharides – Structure, Properties, and Examples Polysaccharides – Structure, Properties, and Examples References
Figure: Diagram of the Golgi Apparatus Structure of Golgi Apparatus A. Cisternae B. Tubules C. Vesicles The vesicles (60 nm in diameter) are of three types: (i) Transitional vesicles are … Read more
The most probable number (MPN) test is a statistical method test based on the random dispersion of microorganisms per volume in a given sample. Image Source: Microbe Online and Scharlab. … Read more
Carbohydrates are a group of naturally occurring carbonyl compounds (aldehydes or ketones) that also contain several hydroxyl groups. It may also include their derivatives which produce such compounds on hydrolysis. … Read more
Some of the differences between bacteria and virus are as follows: S.N. Character Bacteria Virus 1. Cell type Prokaryotic cells Acellular 2. Number of cells Single-celled No cell 3. Size … Read more
