Question

в состав белка, состоящего из 120 мономеров, входит 1. до 20 разновидностей аминокислот 2. до 40 триплетов нуклеотидов 3. до 64 разновидностей кодонов 4. 120 одинаковых аминокислот

Answer 1

до 40 триплетов нуклеотидов 
по моему так

Answer 2

120:3 = 40. .  ответ 2!

Answer 3

Structure of a Protein

Proteins are large biomolecules that play essential roles in various biological processes. They are composed of smaller units called amino acids, which are linked together in a specific sequence to form a chain. The sequence of amino acids determines the structure and function of the protein.

Number of Amino Acid Variants

In the case of a protein consisting of 120 monomers (amino acids), it is stated that only one type of amino acid is present. However, it is important to note that proteins are typically composed of multiple types of amino acids. There are 20 different amino acids commonly found in proteins, each with its own unique chemical properties. The specific arrangement and combination of these amino acids in a protein chain contribute to its overall structure and function.

Number of Triplet Nucleotides

The statement mentions that there are up to 40 triplet nucleotides in the protein. It is important to clarify that nucleotides are the building blocks of nucleic acids (DNA and RNA), not proteins. Proteins are synthesized based on the information encoded in DNA through a process called translation. During translation, groups of three nucleotides, known as codons, are read from the DNA and matched with specific amino acids to build the protein chain. Therefore, the number of triplet nucleotides is not directly related to the composition of a protein.

Number of Codon Variants

The statement also mentions that there are up to 64 codon variants in the protein. Codons are specific sequences of three nucleotides that encode for a particular amino acid during protein synthesis. There are 64 possible codons, including both sense codons (which code for amino acids) and stop codons (which signal the end of protein synthesis). However, it is important to note that not all codons will necessarily be present in a protein sequence. The actual number of codon variants in a protein depends on the specific sequence of amino acids encoded by the DNA.

Conclusion

In summary, the statement provided contains some inaccuracies regarding the composition of a protein consisting of 120 monomers. While it is possible for a protein to consist of 120 identical amino acids, it is more common