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Explain how early RNA molecules might have been able to respond to natural selection.
Every RNA molecule might have competed with slightly dissimilar RNA molecules for nucleotides. An RNA molecule that was more successful in getting nucleotides would have an advantage, and it would pass that advantage on to the new RNA molecules it formed by replicating.
What is adaptive radiation? The Adaptive radiation is the appearance of several other species from one common ancestral species that have spread to various regions or environme
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Explain about the Health Economics and Economics of Malnutrition? In the earlier units on nutritional problems, we learnt that there are many causes of malnutrition, socioecono
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Is there a difference between something that is alive and something that is a living organism?
The quartenary structure of a holoenzyme contains four long polypeptide subunits composed of non-polar, polar and charged amino acids. All subunits are properly folded and function
What is the meaning of Food Exchanges Food exchanges mean grouping of foods in which the specified amount of all the food provides approximately equal amounts of carbohydrate,
How does the universality of the genetic code make the recombinant DNA technology possible? The universality of the genetic code refers to the fact that all living beings have
The environmental pollution has become a biggest threat to humanity. To over-come this problem a suitable preventive legislation is need of hour. The problems of acid rain ,ozone
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