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Q. Which are nucleotides "portions" that to bind in the formation of nucleic acids? What is meant by the 5' and 3' extremities of the nucleic acids?
The phosphate group of one nucleotide binds to the pentose of the other nucleotide and so on to make the polynucleotide chain.
Each extremity of a RNA or DNA chain can be distinguished from the other extremity according to their terminal chemical entity. The phosphate-ended extremity is known as 5'-extremity and the pentose-ended extremity is called 3'-extremity. So RNA or DNA chains can be run along the 3'-5' way or along the 5'-3' way. These ways are significant in several biological functions of RNA and DNA since some reactions specifically occur following one way or the other way.
Biota of Pelagic Zone Pelagic region constitutes 90 per cent of the total ocean surface and is less rich in species and numbers of organisms than the two regions discussed bef
Q. (a) In droplet infection (i) where do the droplets come from, (ii) what infective agents might they contain? (b) Give two examples of diseases normally spread
Cells are classified into eukaryotic or prokaryotic. Prokaryotic cell is that with no a delimited nucleus. Eukaryotic cells are those with nucleus delimited by membrane.
#question.what are the reason that arthropodans are abundant in nature.
Q. Investigation of Tricuspid stenosis by Echocardiography? Findings are subtle. One should carefully search for organic tricuspid valve involvement in all rheumatic heart dise
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Q. What are the factors Affecting Taste Quality? You may have experienced that the four primary tastes i.e., sweet, sour, salty and bitter are not sensed with an equal ease. Th
Reflexes It is used to assess the neurobehavioural status. Rooting reflex - Being a primitive reflex, if cheek is rubbed, the infant will turn his head into that dire
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