Which type of rna carries the genetic information from dna to the site of protein synthesis?

The type of RNA that carries genetic information to the site of protein synthesis is messenger RNA or mRNA in short.

The first step for this to occur takes place in the nucleus of the cell in a process called transcription. In this process, the genetic information for the synthesis of a particular protein is copied onto mRNA, in a triplet base format and it is in code,

mRNA then leaves the nucleus and enters into the cytoplasm of the cell where it attaches itself to a ribosome. A ribosome is the site where proteins are synthesized and is also nicknamed the "work bench" of the cell.

Another type of RNA called tRNA then reads the coded information on the attached mRNA and recognizes a triplet of bases on it and decodes the information. This process is called translation. tRNA then fetches the amino acid that corresponds to that triplet of bases from the cytoplasm and into the ribosome where the amino acid is linked to others to form a chain and  thus a protein.

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what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements