Question

Яка біологічна роль РНК?СРОЧНО​

Answer 1

Объяснение:

вдвжвжчґсдвжвжсювбвжсбвжвж

Answer 2

Таким чином, мРНК несе «повідомлення» від ядра до цитоплазми. Повідомлення закодовано в нуклеотидної послідовності мРНК, яка комплементарна нуклеотидноїпослідовності ДНК, що служила матрицею для синтезу мРНК. Створення білків з мРНК називається трансляцією. У цьому полягає біологічна роль РНК.

Answer 3

The Biological Role of RNA

RNA, or ribonucleic acid, plays a crucial role in various biological processes. It is a molecule that is involved in the synthesis of proteins, regulation of gene expression, and transmission of genetic information. Here are some key roles of RNA:

1. Messenger RNA (mRNA): mRNA carries the genetic information from DNA to the ribosomes, where it serves as a template for protein synthesis. It acts as an intermediary between DNA and proteins, ensuring that the correct amino acids are assembled in the right order during protein synthesis.

2. Transfer RNA (tRNA): tRNA molecules are responsible for bringing amino acids to the ribosomes during protein synthesis. Each tRNA molecule carries a specific amino acid and has an anticodon that pairs with the codon on the mRNA, ensuring that the correct amino acid is added to the growing protein chain.

3. Ribosomal RNA (rRNA): rRNA is a major component of ribosomes, which are the cellular structures where protein synthesis occurs. It helps in the assembly of ribosomes and provides the catalytic activity necessary for protein synthesis.

4. Small Nuclear RNA (snRNA): snRNA is involved in the processing of pre-mRNA, which is the initial transcript of a gene. It helps in the removal of introns (non-coding regions) and the splicing together of exons (coding regions) to produce mature mRNA.

5. MicroRNA (miRNA): miRNA plays a role in regulating gene expression by binding to specific mRNA molecules and preventing their translation into proteins. This process, known as RNA interference, helps control the levels of different proteins in the cell.

6. Long Non-Coding RNA (lncRNA): lncRNA molecules do not code for proteins but have diverse functions in gene regulation, chromatin remodeling, and cellular processes. They play a role in controlling gene expression and can interact with other RNA molecules and proteins.

It is important to note that RNA has other roles beyond those mentioned above, and ongoing research continues to uncover new functions and mechanisms involving RNA in various biological processes.