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Explain the Escherichia - Characteristics of Bacteria?
It belongs to order Enterobacteriales. It is the best-studied organism present in the colon of humans and other warm-blooded animals. It is commonly employed in research and used as indicator in analysis of water and food for faecal contamination.
Escherichia is gram negative, non-sporulating straight rod, if motile peritrichously flagellated. These are facultative anaerobes, oxidase negative and have simple nutritional requirement. These carry out mixed acid fermentation. Escherichia sp. may play a nutritional role in intestine by synthesizing vitamins and also help in making large intestine anoxic. Usually Escherichia is not pathogenic, but some Escherichia sp. cause gastroenteritis, urinary tract diseases and also serious food borne diseases. Do you recall reading about E. coli O157:H7? This can cause serious form of illness.
#what is adaptation?
The DNA replication is a biological procedure which happens in all living organisms and copies their DNA; it is the basis for biological inheritance. The process will starts when o
Name the different level of proteins There are 4 level of proteins:- a) Primary structure b) Secondary structure c) Tertiary structure d) Quaternary structure
What do you understand by Flagella. A cellular hairlike locomotory structure which comprise an extension of the plasma membrane surrounding a 9+2 organization of microtubules.
Factors affects oxygen dissociation curve - Carbon dioxide Carbon dioxide lowers the oxygen affinity of haemoglobin even if the pH is kept constant. This effect is due to the
What are the functions of the osseous tissue? The major functions of the osseous tissue are: to give structural rigidity to the body and to delineate the spatial positioning of
Why can the amnion also be considered an adaptation to terrestrial life? The amnion is also an adaptation to dry land since one of its functions is to prevent desiccation of th
Routine blood tests like haemoglobin, creatinine, electrolytes are useful to plan treatment. More recently the blood natriuretic peptide levels have been used to assess heart failu
Osmoregulatory Animal An osmoregulatory animal is generally in an osmotic steady state even though there may be hourly and daily variations in osmotic balance. The concentrati
Give the causative organism and symptoms of Bacillary Dysentery • Bacillary dysentery is caused by Shigella sp. (Shigella sonnei, S. dysenteraei). Incubation period is
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