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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.
Q. What are the few examples of movement created by the contraction of sarcomeres of the muscle cells? The handling of a cup of coffee, the peristaltic movements of the bowels,
Ask question importance of genetics in human life #Minimum 100 words accepted#
How can the excretory system of annelids be described? In each segment (metamere) of the being a pair of complete excretory structures called metanephridium exists. The metanep
Digestive Enzymes Now let us consider the general principles of digestion that are applicable t6all animals. We will start with the digestive enzymes that breakdown the large
The measurement of species diversity provides an important preliminary assessment of overall biodiversity. There are many ways by which species diversity is measured i.e. species r
Soybean protein used as stabilized dispersions Soybean protein concentrates have been used as stabilized dispersions in milk-like beverages and simulated dairy products, such a
What are the endocrine functions of the placenta? The placenta has endocrine function since it secretes the hormones progesterone and estrogen that maintain the endometrium (in
Explain Deteriorative changes in fats and oils The food products undergo changes in flavour due to the chemical changes occurring in fats and oils present in them. The causativ
SODIUM The element is available in table salt. A proper balance of sodium and potassium is essential. Its absorption is under control of aldasterone. The various f
What are the main components of the human skeleton?
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