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saveliy_v [14]
2 years ago
6

A form of rna carries information from the dna in the nucleus to the appropriate site where proteins are synthesized. why is it

necessary to have an intermediate in the form of rna?
Biology
1 answer:
Nimfa-mama [501]2 years ago
4 0

DNA is an essential molecule for cell survival that cell cannot afford to lose the genetic information and cytoplasm contains many degrading enzymes.

In all living cells, DNA is essential for inheritance, coding for proteins, and providing instructions for life and its processes. DNA dictates how a human or animal develops and reproduces, and eventually dies.

There are two reasons why DNA cannot leave the nucleus. They are 1. DNA code is prone to damage and 2. DNA is a large molecule.

DNA cannot leave the nucleus because that would risk it getting damaged. DNA carries the genetic code and all of the information needed for cells and organisms to function properly.

Learn more about DNA on

brainly.com/question/1328358

#SPJ4

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Answer: The transcription and translation process allows trna and rrna molecules to be used to synthesize wide variety of polypeptides.

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DNA molecule is made up of information for coding proteins. This information is passed on the mRNA during a process known as transcription. Transcription is the first of many steps of DNA based gene expression in which a part of the segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase.

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A large diversity among genes is followed by a large amount of various mRNA molecules. However, the ribosomes consist of rRNA, which is included in the process of translation. Translation is the process whereby ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus. The overall process is called gene expression.

The smallest of the three types of RNA is tRNA, which has only 75 to 95 nucleotides and has a role in bringing particular amino acids to the growing polypeptide. It can be concluded that mRNA contribute to the diversity of polypeptide molecules due to the fact that it carries an information about their synthesis.

8 0
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Fam stop asking questions and learn from google
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