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Under which form is nitrogen fixed by living beings?
Most living beings cannot use molecular nitrogen to get nitrogen atoms. Producers fix nitrogen mostly from nitrate (NO3-). Some plants also fix nitrogen from ammonia. Consumers and decomposers get nitrogen by digestion of mainly proteins and nucleic acids from the body of other living beings.
Q. How does one get infected by Enterotoxigenic escherichia coli gastroenteritis(ETEC)? Infection occurs when a person eats food or drinks water or ice contaminated with ETEC
#question.what are the organs of respiration in the lwer form of animals .
is naegleria found in air
Define Factors Which May Lead To Errors in Count? There are many factors, which may lead to errors in count. (i) Counts may be low if the agar medium used in the technique d
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how does cockroach respire
Explain about the Canning of Food? You must have seen the markets flooded with canned products. Can you name a few of such products? Yes the canned juices, canned aerated drink
In the scientific competition against fixism what are the main arguments that favor evolutionism? The major arguments in favor of evolutionism are paleontological, from the stu
Define the Chemical Fixation Method? Here chemical fixatives containing ethanol, acetic acid and formaldehyde etc. penetrates the cell and inactivates and immobilizes cellular
Determine energy expenditure for Climbers? The energy expenditure of 3250 Kcal/ day is reported in climbers to Mt. Everest using doubly labeled water teaching. Out of this, 161
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