Write a prediction that answers the lab question, "How are proteins built using the information provided by a molecule of RNA?" Remember, you are describing processes, so your prediction should include steps.
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Prediction: RNA determines the sequence of amino acids in proteins and polypeptides by a two-step process: transcription of DNA produces mRNA in the nucleus, then translation of the mRNA to tRNA takes place at the ribosome in the cytoplasm.
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A protein is formed by two major processes called transcription and translation.
- In transcription, the major component is deoxyribonucleic acid. It contains genes carrying information of the proteins to be formed.
- DNA undergoes transcription to form messenger RNA. This process occurs in the nucleus of a cell.
- The mRNA has the information to translate for the protein.
- The messenger RNA will undergo translation to form proteins and the process occurs in the cytoplasm of the cell.
- The proteins that are formed are transferred to the Golgi complex to process the protein structure so that the protein can function for the cell.
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