Question

Explain in brief the process of DNA COPYING !!

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Answer 1

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WHAT IS VARIATION?

Since DNA replication is a bio-chemical process, and no mechanical process is exact, so there are minute differences in every copy created by the proteins and nitrogenous bases. Over time, these minute differences become major ones and are hence termed as variations.

WHAT IS DNA?

Before I start on with the replication process, I must make you familiar with DNA. DNA or Deoxyribonucleic acid is a complex protein-based molecule that deals with transfer of genes and inheritance of characters in developed organisms.

WHAT IS DNA's STRUCTURE?

DNA has a double helix model with two proteinaceous strands and interlinks of nitrogenous bases of Adenine, Thiamine, Guanine and Cytosin. Around 90%-95% of DNA coding is still not deciphered by biologists.

HOW DOES DNA COPYING TAKE PLACE?

Coming to the main topic, the mechanism of DNA copying. DNA goes through a dis ambiguous process commonly referred to as IN-EL-T.

☢IN stands for Initiation.

☢EL stands for elongation.

☢T stands for termination.

Trans sites in DNA what we call "extensions" or "origin" provide the place for replication. Adenine and Thiamine nitrogenous bases initiate the replication process by decoding the strands or what we call "genes". Proteins further improve the state for replication.

Anti-pathogenic cells like bacteriophages and plasmods provide immunity to the new replication which comes under the process of elongation. The helix bifurcate to produce multiple proteins strands.

Ter-proteins, abbreviation for TERMINATING PROTEIN terminates the process of forking of the strands of DNA. This also enters the new DNA replicated so that it can terminate the same process carried out by the replicated DNA.

NOTE-Eurkaryotes have multiple sites of elongation, so many proteins besides ter-proteins is used because it is a single non-motile molecule and hence cannot function simultaneously.

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Answer 2

DNA COPYING is also known as DNA REPLICATION


The cell division on the whole helps in the process of growth and reproduce of organisms. The new daughter cells need same quantity of DNA copy of similar to their mother cell. The new strands are combination of new and old strands due to semi-conservative mode DNA replication, DNA contains the blueprints for how to make the proteins and other molecules that make the cell run. ... Cell replication is the process of going from one cell to two cells. Since the original single cell had only one set of DNA, it needs to copy it so that both resulting cells have the DNA they need to survive.


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