Question

Чем рааличаются функции тРНК и рРНК? ​

Answer 1

– тРНК транспортирует аминокислоты во время синтеза полипептида (Белка).

– рРНК входит в состав субъединиц рыбосом.

Answer 2

Difference between tRNA and rRNA

tRNA (transfer RNA) and rRNA (ribosomal RNA) are two types of RNA molecules that play important roles in protein synthesis. While they are both involved in the process of translation, they have distinct functions and structures.

tRNA (transfer RNA)

- tRNA is responsible for carrying amino acids to the ribosome during protein synthesis. - It has a cloverleaf-like structure, with a specific sequence of nucleotides that allows it to bind to a specific amino acid. - Each tRNA molecule carries a specific amino acid and has an anticodon region that is complementary to a codon on the mRNA. - The anticodon region of tRNA base pairs with the codon on the mRNA, ensuring that the correct amino acid is added to the growing polypeptide chain. - tRNA molecules are relatively small, typically consisting of about 70-90 nucleotides. - There are different types of tRNA molecules, each specific to a particular amino acid.

rRNA (ribosomal RNA)

- rRNA is a major component of ribosomes, which are the cellular structures responsible for protein synthesis. - It provides a structural framework for the ribosome and catalyzes the formation of peptide bonds between amino acids. - rRNA molecules are larger than tRNA molecules and are typically several hundred to several thousand nucleotides long. - They are transcribed from DNA and undergo extensive processing before becoming functional components of ribosomes. - rRNA molecules are found in both the small and large subunits of ribosomes, where they help coordinate the binding of tRNA molecules and mRNA during translation.

In summary, tRNA molecules carry amino acids to the ribosome, while rRNA molecules are structural components of ribosomes and play a catalytic role in protein synthesis.