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An enzyme isolated from a mutant bacterium grown at 20 degrees celsius works in a test tube at 20 degrees celsius but not at 37 degrees celsius( 37 degrees celsius is the temperature of the gut, where this bacterium normally lives). Furthermore, once the enzyme has been exposed to the higher temperature, it no longer works at the lower one. The same enzyme isolated from the normal bacterium works at both temperatures. Can you suggest what happens at the molecular level to the mutant enzyme as the temperature increases?
Q. What is the kind of circulatory system present in arthropods? Do these animals have respiratory pigments and heart? In arthropods the respiratory system is open (lacunar). B
Carbohydrates Fifty five to seventy per cent of the required energy in animals is derived from carbohydrates. However, fats and proteins can also be broken down and used for
Chopping/grinding These are the processes by which the particle size of cereals, oil cakes and roughages including green fodders and crop residues is reduced employing various
Which one of the following is not a micronutrient? 1. Molybdenum 2. Magnesium 3. Zinc 4. Boron. Magnesium
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Mixture of gasoline and air is used as fuel in internal combustion engine. It is highly compressed and then ignited. 1. The process involves four strokes : 2. The f
Axon: Axon is a projection from the cell body. Each neuron has only one axon. Unlike dendrites, axons are very long and are usually unbranched structures. The axon
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Various proteins are free to take a move laterally in the plane of the bilayer. One experiment used to represent this included fusing cultured mouse cells with human cells under ap
What are some economic applications that can be generated by very biodiverse ecosystems? Very biodiverse areas show enormous economic potential. They can be a source of raw mat
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