a) What is the role of Trizol in RNA extraction? Trizol reagent is used for RNA isolation from cells and tissues. This reagent is used as it helps in maintaining RNA integrity during tissue homogenization, while at the same time disrupting and breaking down cells and cell components. The RNA remains only in the aqueous phase(Amrita). b) What was the purpose of performing a reverse transcription reaction. What were the products of thesereaction? Reverse transcription polymerase chain reaction (RT-PCR), a variant of polymerase chain reaction (PCR), is a technique commonly used in molecular biology to detect RNA expression incontrast the traditional PCR is used to exponentially amplify target DNA sequences, (Freeman, 1999). The product of this reaction will be RNA Solution a) What is the role of Trizol in RNA extraction? Trizol reagent is used for RNA isolation from cells and tissues. This reagent is used as it helps in maintaining RNA integrity during tissue homogenization, while at the same time disrupting and breaking down cells and cell components. The RNA remains only in the aqueous phase(Amrita). b) What was the purpose of performing a reverse transcription reaction. What were the products of thesereaction? Reverse transcription polymerase chain reaction (RT-PCR), a variant of polymerase chain reaction (PCR), is a technique commonly used in molecular biology to detect RNA expression incontrast the traditional PCR is used to exponentially amplify target DNA sequences, (Freeman, 1999). The product of this reaction will be RNA.