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Oxygen - Factors Influencing Functions of Nitrogenase
Oxygen is a strong inhibitor of N2-fixation because it blocks both the synthesis as well as the activity of nitrogenase. There are N2-fixers which are anaerobes and there are those which are aerobes. The problem of oxygen in anaerobes is taken care of by their very anaerobic mode of nutrition. The problem is really with aerobes like Azotobacter which require oxygen to fix nitrogen and grow at the expense of nitrogen.
What are the two groups of defense mechanisms of the body against foreign or harmful agents? What is the difference between them? The body has many defense mechanisms against f
Types of Somatoform Disorders: Somatoform disorders are sub classified into the following categories. These include somatization disorder, conversibtl disorder, hypochondria
WHAT IS NUCLEAR DIAMORPHISM?
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what are the origin, morphology, active constituents, uses and market preparation of tanco beans ?
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Male and female gametophytes are independent and free-living in: 1. Mustard 2. Castor 3. Pinus 4. Sphagnum Sphagnum
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Three ways in which food might become contaminated by harmful bacteria. Food may become contaminated:- (i) from the unwashed hands of a food-handler, (ii) by house- flies
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