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Quaternary structures are held together by non-covalent interactions such as hydrogen bonds, ionic bonds, van der Waals forces, and hydrophobic interactions between multiple protein subunits. These interactions stabilize the overall structure of the complex, contributing to its stability and function.

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1y ago

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What cell to cell structures hold the cells of the stratum spionsum tightly together?

desmosomes


What cell to cell structures hold the cells of the stratun spinosum tightly together?

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What proteins in mammals show only primary and secondary structures?

Most proteins in mammals have tertiary and quaternary structures in addition to primary and secondary structures. However, some small proteins or peptides, such as certain antimicrobial peptides, may exist in nature with only primary and secondary structures, lacking the more complex tertiary and quaternary arrangements.


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Desmosomes hold a lot more than just the above together. See Gap Junctions.


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If meaning the four structural levels in proteins, then these are:* Primary structure, which is the sequence of amino acids in the peptide chain that constitutes the protein. * Secondary structure, is the location of formations called alpha-helices, beta-sheets and coiled coils (undefined, flexible structure), that forms with the help of hydrogen bonds between amino acids. * Tertiary structure: This is the over-all fold/structure of one peptide chain/protein, which can consist of many so called "domains" of typical structures of alpha-helices and beta-sheets. * Quaternary structure: Because some proteins are formed from many smaller subproteins (that is, by many peptide chains), quaternary structure describe how these subunits are assembled together.


What is the tertiary structure for a protein?

'The Quaternary structure of a protein is the 4th level of folding for a protein. An example of this would be a red blood cell, which is a quaternary structure, it is made up of alpha helicies and also beta pleated in the tertiary structure. The Quaternary structure of a protein contains 4 tertiary structures in it.


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Is a astronaut a tertiary or quaternary?

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