Question

Последовательность нуклеотидов в участке цепи ДНК.кодирующей полипептид: ТТЦАГЦАГЦЦТГАГТ. Установите структуру иРНК, антикодонов тРНК и последовательность аминокислот в молекуле белка, определяемого данным участком молекулы ДНК.

Answer 1

ИРНК: ААГУЦГУЦГГАЦУЦА
тРНК: УУЦ,АГЦ,АГЦ,ЦУГ, АГЦ
амино: лиз-сер-сер-асп-сер

Answer 2

DNA Sequence and RNA Structure:

The given DNA sequence is "ТТЦАГЦАГЦЦТГАГТ". To determine the structure of the corresponding RNA, we need to transcribe the DNA sequence into RNA. During transcription, the DNA sequence is used as a template to synthesize a complementary RNA molecule.

In RNA, the nucleotide thymine (T) is replaced by uracil (U). Therefore, the transcribed RNA sequence would be "УУЦУЦУЦУУЦАУЦУ".

Anticodons and tRNA:

Transfer RNA (tRNA) molecules play a crucial role in protein synthesis by carrying specific amino acids to the ribosomes. Each tRNA molecule has an anticodon sequence that is complementary to the codon sequence on the mRNA.

To determine the anticodons, we need to consider the RNA sequence "УУЦУЦУЦУУЦАУЦУ". The anticodons are formed by reading the RNA sequence in groups of three nucleotides.

The anticodons corresponding to the RNA sequence are as follows: - Anticodon 1: УУЦ - Anticodon 2: УЦУ - Anticodon 3: УЦУ - Anticodon 4: УУЦ - Anticodon 5: АУЦ - Anticodon 6: УЦУ

Amino Acid Sequence:

The sequence of amino acids in a protein is determined by the codons in the mRNA sequence. Each codon codes for a specific amino acid.

To determine the amino acid sequence, we need to refer to the genetic code, which is a set of rules that relates each codon to a specific amino acid. Here is the amino acid sequence corresponding to the given DNA sequence "ТТЦАГЦАГЦЦТГАГТ":

- Codon 1: ТТЦ - Phenylalanine - Codon 2: АГЦ - Serine - Codon 3: АГЦ - Serine - Codon 4: ЦТГ - Leucine - Codon 5: АГТ - Serine

Therefore, the amino acid sequence of the protein encoded by the given DNA sequence is Phenylalanine-Serine-Serine-Leucine-Serine.

Please note that the provided information is based on the given DNA sequence and the standard genetic code.