Question

Выберите правильные суждения:(3 правильных)1) Первичная структура белка зависит от водородных связей между аминокислотами2) Образование вторичной структуры белка связано с закручиванием цепочки аминокислот в спираль3) Гидрофильные части белка располагаются внутри молекулы4) Некоторые белки могут не иметь четвертичной структуры5) Пептидная связь является ковалентной неполярной6) Радикал – это группа атомов, отличающая одну аминокислоту от другой

Answer 1

Я думаю здесь будет 2,4,5.

Answer 2

Correct Statements:

1) The primary structure of a protein depends on hydrogen bonds between amino acids. The primary structure of a protein refers to the linear sequence of amino acids joined together by peptide bonds. The formation of hydrogen bonds between amino acids plays a crucial role in stabilizing the primary structure of a protein [[1]].

2) The formation of secondary structure in a protein is associated with the twisting of the amino acid chain into a helix. Secondary structure refers to the local folding patterns of the protein chain. One common secondary structure is the alpha helix, which is formed by the twisting of the polypeptide chain [[2]].

3) Hydrophilic regions of a protein are located inside the molecule. Hydrophilic regions of a protein have an affinity for water and are typically found on the surface of the protein, where they can interact with the surrounding aqueous environment. Hydrophobic regions, on the other hand, tend to be buried inside the protein away from water [[3]].

Incorrect Statements:

4) Some proteins may not have a quaternary structure. Quaternary structure refers to the arrangement of multiple protein subunits to form a functional protein complex. While not all proteins have a quaternary structure, many proteins do exist as multimeric complexes composed of multiple subunits [[4]].

5) A peptide bond is a covalent nonpolar bond. A peptide bond is a covalent bond that forms between the carboxyl group of one amino acid and the amino group of another amino acid during protein synthesis. Peptide bonds are polar in nature due to the partial positive charge on the amino group and the partial negative charge on the carbonyl group [[5]].

6) A radical is a group of atoms that distinguishes one amino acid from another. A radical, also known as a side chain, is a specific group of atoms attached to the central carbon atom of an amino acid. The different radicals contribute to the unique properties and functions of each amino acid [[6]].

Please let me know if you have any further questions!