Why is DNA replication important? Well, DNA is closely related with living beings in our planet. It’s a global recognition technology that allows to differentiate us scientifically. Our body is the composition of 37. 2 trillion cells. We never bother to verify the number but, everyone accepts the complexity of it.
The cell is the smallest but a significant unit of the human body. Each cell has 6 million base pairs of DNA. In germ cells, the number is half of it. I won’t suggest counting the number in your head. Today, I’ll discuss a little more beyond your rumination.
If anyone tells you that DNA is the smallest element in the human body, that will not necessarily be the right answer. However, that doesn’t lessen the importance of it.
We get to know one of the many secrets hiding inside us here, and you are welcome. I guarantee you will enjoy it. Let’s go with his DNA replication important.
What is DNA?
What we think, react, and process has a relationship with DNA. This element is found in the chromosome, a vital part of one cell organ called the nucleus. We are always growing, and a child doesn’t remain the same in body structure. The molecular organ that oversees the whole system is DNA.
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DNA, Deoxyribonucleic Acid – is a complex name with more complicated functions. DNA is a combination of molecules group. Basically, DNA is denoted as the storehouse of genetic information. This organic compound carries and transmits hereditary and genetic instructions. By this process, every single origin of animals and plants is preserved. This small molecule dominant the cell with a huge impact that a normal person can’t imagine.
Structure of DNA
DNA, being an exceptional element in the human body, is exceptional in its structure as well. DNA is formed with different individual units, and those are separately called nucleotides.
Nucleotides have three types of chemical components. One is nitrogen-based – adenine, thymine, guanine, and cytosine are found in it. These four are marked in short for respectively A, T, G, and C.
The other two are the Phosphate group and sugar groups. These elements are arranged in a different order, and each order has different instructions in DNA, which we call genetic code. This code guides the DNA replication for dummies.
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DNA is basically formed with two strands together in a twisted figure called the double helix. The four chemicals we mentioned just earlier have a sequence in making up the massive structure in a tiny model. DNA always follows a pattern to connect the two strands with the chemical- that is, Ais always connected with T, Cis connected with G in each pattern.
The functions of DNA are Gene expression, Mutation, Transcription, Translation, and Replication. Now it’s time to ask what DNA replication is.
What is DNA Replication?
Every cell is defined by a specific DNA. DNA replication is a biological process by which DNA is replicated into two new DNAs with the same characteristics. So, as in short, the DNA is doubled. It is a normal and obvious process in all living organisms. This crucial activity follows and balances biological inheritance.
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In DNA replication, two identical DNA is produced from a single original one. And, that process happens when one cell is divided into two new daughter cells. The process can be by mitosis or meiosis cell division. By the time you may have started thinking about why DNA duplication is important.
Why is DNA Replication Important?
DNA replication is essential for a cell as being one of the fundamental processes. The preservation of characteristics by DNA is not as simple as it occurs in the cell. It is not limited to maintaining the sequence from parents to the descendants. The purpose of DNA replication is more eminent.
At the time of the DNA replication, some modifications take place in the DNA, which is one kind of maturity. In the long run, this slight transformation helps the whole organism adapt to the ever-changing surroundings. The environment around us is always in an altering process. It influences living things.
Apart from adopting the atmospheric upshots, other benefits like developing immunity, reacting back spontaneously are possible because of complete and successful DNA replication. So, along with the preservation of the parental characteristics, DNA replication also helps in surviving and adapting.
DNA replication help to enhance and aid the reproduction system. Without a DNA reproduction system, meiosis cell division is not possible. Thus, it is another result of successful DNA replication.
You may think- what is meiosis cell division. Only to understand-in this cell division, the daughter cell has half number of chromosomes regarding the chromosome number in the mother cell.
The cells of the human body are dying every day and at the same time replaced by new cells. The DNA replication ensures the characteristics of the respective organ cells, and normal activity of the vital system is ensured.
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If I have to answer why is DNA replication such an important process in simple words, then I must say DNA replication ensures normal growth. It denotes the importance of DNA replication in living organisms. Mitosis cell division operates the growth. Like the meiosis cell division, this process is also dependent on DNA replication. (The number of chromosomes in daughter cell is the same as mother cell in mitosis cell division.)
The DNA Replication Process
The process is followed by multiple steps. The whole process involves replication enzymes and RNA. DNA replication steps can be split into four steps.
DNA Replication Steps
Before we start with the explanation of the DNA replication process, you should take a look at the DNA replication diagram. It will help you understand the steps better.
Step 1: Replication Fork Formation
The first step of DNA replication is that the two strands are separated. Among the two strands, one remains in the same length, and another one turns into pieces. An enzyme- helicase pushes the process of separation. This is called the replication fork.
The two separated strands- lagging strand and leading strand take part in the formation of the new DNA.
Step 2: Primer Binding
Another enzyme, primase, starts this process. A small piece of RNA is formed called primer. The construction of a new DNA strand is begun with the influence of this RNA and enzymes.
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Step 3: Elongation
An enzyme, DNA polymerases influence creating new strands, is called elongation.
Step 4: Termination
DNA synthesis is completed in this stage as the replication forks meet. At last, the daughter molecules are constructed.
Risks of DNA Replication
Due to failure in DNA replication, many adverse situations may occur. So, a living body needs the successful replication of DNA inside its cells. Failure in DNA replication can cause complex mutations such as forming cancer. The cells that would not operate systematically can harm and infect in a wide range.
FAQ: Why is DNA Replication Important
Question-01: Why is DNA Replication Important?
Answer: DNA replication is important because it preserves and modifies the characteristics of the parents in descendants for existence and adaptation.
Question-02: How is DNA Replication Important?
Answer: DNA replication influences the growth of an organism ensures the natural activity of a cell. It also helps to balance between dying cell numbers and the daughter cells.
Question-03: Why is Accuracy Important in DNA Replication?
Answer: Without accuracy in DNA replication, a living organism would face obstacles to perform normal biological activities, and even death can occur.
Question-04: What Would Happen Without DNA Replication?
Answer: Without DNA replication, all the species will be extinct, and the originality of a species won’t be possible.
So, don’t stop here. Remember, we skipped several details you didn’t want to perceive at this beginning, such as the structural chemical composition of DNA, Okazaki fragments, etc. I suggest you start for more exploring the idea of polynucleotide and further.
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I hope, by now, it is clear to you why DNA replication is necessary. DNA replication is not as complex as you thought. I presented here the process and the importance of why is DNA replication Important in the simplest way.