Batch fermentation involves the fermentation of the substrate into products by microbial cells. This process occurs within a closed system. Unlike continuous culture, it requires the supply of limited nutrients into the fermentor. Fermentation utilizes a living microbial cell suspension. It produces various valuable products through fermentation of the raw material or substrate. In fermentation, …
The difference between axon and dendrite lies in their shape and branching. As well as, they differ in their length and function. Axons and dendrites are the cytoplasmic projections of the nerve cell body. Both play an essential role in the conduction of nerve impulses. Shape: Axons maintain a constant radius. Whereas, dendrites are thicker near …
The quadrant streaking method is one of the streaking methods extensively used to obtain a pure culture. It helps to isolate a single colony or single species from the mixed culture. Streaking involves various patterns like a quadrant, continuous and radiant. In the quadrant streaking method, a little inoculum is deposited on the first quadrant …
The WBC or leukocyte count method estimates white blood cells per microlitres of your blood. By enumerating the total number or concentration of leukocytes, you could determine the condition of your immune health. The average WBC count is between 4000 to 11000 cells/µL of blood. An increase in the concentration of leukocytes leads to a …
Chemical disinfectants either destroy, inactivate or inhibit the pathogenic growth. Disinfection eliminates various microbes, except for bacterial spores, using different chemical agents, heat or radiation. It disinfects the inanimate objects. Disinfection is classified into low-level, intermediate-level or high-level. Low-level disinfection is efficient in killing vegetative bacteria and lipid-containing viruses. Intermediate-level disinfection effectively kills bacteria, fungi …
The difference between monocot and dicot stem is mainly in the arrangement and type of the vascular system. Vascular structures in the stem facilitate the upward and downward flow of water and nutrients from the root to the leaves and vice versa. The vascular bundles in the monocot stem are dispersed, whereas the monocot stem …
Starch gelatinization is a phenomenon in which the starch granules primarily absorb water, swell and eventually burst out to form a gel in the presence of water and heat. Gelatinization of starch is a method that requires starch (any sources like cornstarch, rice flour etc.) as a solute and water as a solvent. Here, water …
The allosteric site of an enzyme is regulatory in function. Enzymes with allosteric or regulatory sites behave as the “Allosteric enzymes”. Such enzymes possess multiple binding sites for both substrates and effectors. Allosteric enzymes are regulated by the non-covalent or reversible binding of effectors or non-substrate molecules to the allosteric site. Thus, the allosteric site …
Euglena eyespot is also called stigma or eyespot apparatus. It generally has a bright red colour appearance. Euglena is a unicellular photosynthetic organism having an eyespot apparatus as a light-receptive organelle. The red colour of the eyespot in Euglena is due to the presence of carotenoid pigment granules. In addition, it contains photoreceptors, structural, metabolic …
The difference between vitreous humour and aqueous humour is primarily in the location within the eye. Vitreous humour is a gelatinous mass occupying the vacant space within the eye lens and the retina. Aqueous humour is a watery fluid occupying the cavity within the cornea and the eye lens. The eye-cavity has distinct two chambers, …
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