CBSE Class 10 Answered
what is the relation between dNA and proteins.what is the role of proteins in DNA copying.
Asked by seema | 19 Sep, 2012, 12:33: PM
Expert Answer
DNA carries the genetic information of a cell and consists of thousands of genes. Each gene serves contains information on how to build a protein molecule. Proteins perform important tasks for the cell functions or serve as building blocks. The flow of information from the genes determines the protein composition and thereby the functions of the cell.
When proteins are needed, the corresponding genes are transcribed into RNA (transcription). The RNA is first processed so that non-coding parts are removed (processing) and is then transported out of the nucleus (transport). Outside the nucleus, the proteins are built based upon the code in the RNA (translation).
Answered by | 20 Sep, 2012, 10:41: AM
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