Hayat Ashraf

RNA (Ribonucleic Acid) is a vital molecule involved in various cellular processes, including protein synthesis, gene regulation, and cellular signaling. There are several types of RNA molecules, each with its unique function: 1. Messenger RNA (mRNA): mRNA carries genetic information from the DNA in the cell nucleus to the ribosomes in the cytoplasm. It serves as a template for protein synthesis during the process of translation. 2. Transfer RNA (tRNA): tRNA molecules play a crucial role in protein synthesis by bringing specific amino acids to the ribosome, where they are assembled into a growing polypeptide chain based on the mRNA sequence. 3. Ribosomal RNA (rRNA): rRNA is a structural component of ribosomes, which are the cellular machinery responsible for protein synthesis. Ribosomes consist of rRNA and proteins, and they facilitate the assembly of amino acids into polypeptide chains during translation. 4. MicroRNA (miRNA): miRNAs are small non-coding RNA molecules that regulate gene...