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Explain the Sources of Microorganisms?
Microorganisms are virtually present everywhere in nature including air, water and soil. The microbial flora is also associated with the food from the time of harvest from the plant or slaughter of an animal till it is used as a food. Foods are biological materials derived from once living organisms and are perishable commodities, i.e., subject to spoilageand decomposition. Spoilage refers to change in the quality of food, in terms of food appearance, texture, flavour, odour and even alteration in nutritional properties. Spoilage leads to biological, chemical and physical changes in food. The major causes of food spoilage are microbial growth and enzymatic and chemical reactions. Besides spoilage causing microorganisms, other microbes of importance are pathogenic microorganisms on food. These organisms, e.g., Staphylococcus, Campylobacter, Clostridium perfringens, E. coli etc. are responsible for outbreaks of food borne infections and food poisoning.
Pollinia and Massulae In most cases the pollen grains of each tetrad become separated from one another and they lie freely in the pollen sac. In some plants, mostly members of
Q. What are some diseases caused by abnormal GH secretion by the hypophysis? In childhood deficient GH secretion may lead to delayed growth and in severe cases to nanism that i
In chemistry and particularly in biochemistry the fatty acid is a carboxylic acid with a long aliphatic tail (chain) that is either saturated / unsaturated. Many obviously occurrin
Penicillin, discovered by the Scottish doctor Alexander Fleming, in 1928, is a drug that inhibits enzymes essential for the synthesis of peptidoglycans, a constituent of the bacter
Determine the Food Sources of Iodine? Please note that unlike other minerals studied so far, like selenium, the iodine concentration in foods is highly variable and also depend
Q. Morphology in relation to taxonomy? Morphology is the basic tool of taxonomy, because identification is primarily based on the characters of the plant. The morphological cha
Q. Show the important groups of bacteria? The important groups of bacteria are: a) Bacillus: rod-shaped. b) Coccus: spherical. c) Coccobacillus: oval-shaped. d)
The methods that can be used for valuing biodiversity are still evolving at the global level, but studies have been done on how biodiversity values can be incorporated into the pro
what is the function of nucleus
Hypothetical Age Pyramids The three types of hypothetical age pyramids which are as follows: 1) A pyramid with a broad base, indicating a high percentage of young individua
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