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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.
Steam treatment Steam treatment of crop residues under pressure has recently opened a new vista for their nutritional improvement especially in the situation when steam availab
What is the mechanism described by Darwin that eliminates species less adapted to environmental conditions? The mentioned mechanism is the natural selection.
whats ur clear definition of virus
Symbiotic interaction - Biological Stress Presence of symbiotic microorganism can result in differential growth stimulation of those plants which can recognise the beneficial
Oxidized starch Coating and sealing agent, emulsifier, dough conditioner for bread, binding agent as gum Arabic replacer, lemon curd manufacture, salad cream, mayonnaise.
give the theory of spermatogenesis
What do you mean by Post-Herbal Period ? Ans. It is difficult to draw a sharp line of demarcation between the transition period, marked by various attempts of classificati
How come that difference of K+ and Na+, which are both monovalent cations, creates the difference of the net charge of the membrane at different sides?
What is the vascular cambium? What is its function? Vascular cambium is the secondary meristematic tissue that in roots and in the stem creates the vascular tissues (xylem and
How many times more acidic is a pH=4 from a pH=7 solution?
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