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Generally through forces of interaction like hydrogen bonding between N-H of one amino acid and C=O of another amino acid.

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When a polypeptide is folded it is called what?

When a polypeptide is folded into its three-dimensional structure, it is referred to as a protein. Proteins are made up of one or more polypeptide chains that have folded into a specific conformation to perform their biological functions.


What are Protiens made by?

Proteins are made by ribosomes in the cells of living organisms through a process called protein synthesis. This process involves the translation of genetic information stored in DNA into a sequence of amino acids, which are then folded into the specific three-dimensional structure of a protein.


Are proteins composed of folded chains of molecules called animo acids?

Yes, proteins are composed of long chains of molecules called amino acids that are folded into specific three-dimensional structures. The sequence of amino acids in a protein determines its unique shape and function.


What structure allows enormous lengths of DNA to be folded inside the nucleus?

Chromatin is the structure that allows for the enormous lengths of DNA to be folded inside the nucleus. It consists of DNA wrapped around histone proteins, forming nucleosomes, which further coil and condense to form higher-order structures like chromatin fibers and loops. This organization helps regulate gene expression and allows for efficient storage and compaction of genetic material within the nucleus.


What level of protein structure is characteristic of some but not all proteins?

Quaternary structure is the level of protein structure that is characteristic of some proteins, but not all. Quaternary structure refers to the arrangement of two or more individual protein subunits to form a larger, biologically active complex. Proteins with quaternary structure often exhibit increased functional diversity and complexity compared to proteins with simpler levels of structure.

Related Questions

When a polypeptide is folded it is called what?

When a polypeptide is folded into its three-dimensional structure, it is referred to as a protein. Proteins are made up of one or more polypeptide chains that have folded into a specific conformation to perform their biological functions.


Which type of macro molecule is made of amino acids?

Proteins are the type of macromolecules made of amino acids. Each protein is a chain of amino acids folded into a specific three-dimensional structure that determines its function.


Are proteins also peptides?

PRoteins are formed as polypeptides from ribosomes. The polypeptide undergoes biophysical and chemical changes to get 2D and further 3D structure. So proteins in general, are polypeptides that are folded with cetrain stable conformation.


What are chromosomes stabilized by?

Chromosomes are stabilized by proteins known as histones, which help in organizing and condensing DNA into a more compact structure. Additionally, specialized regions called telomeres located at the ends of chromosomes also play a role in stabilizing them by preventing degradation and ensuring accurate replication during cell division.


What aspect of protein structure are stabilized or assisted by hydrogen bonds?

secondary, tertiary, and quaternary structures, but not primary structure


When does proteins precipitate?

Protein molecules are stabilized its structure by various non covalent interactions. When proteins exposed to advers pH or temperature (high or low) that are not favorable to its stability, they precipitate out from the buffer. The precipitated proteins generally lose its biological activity.


Why is the three dimensional shape of proteins so important?

Proteins are built as chains of amino acids, which then fold into unique three-dimensional shapes. Bonding within protein molecules helps stabilize their structure, and the final folded forms of proteins are well-adapted for their functions.


What is a folded plate structure?

A folded plate structure is a type of building structure. In this type of structure, there are thin walls and flat plates or components connected to create a dihedral angled shell.


What is the system of folded membranes in cytoplasm where proteins are made?

chlororplasts


What is the system folded membranes in cytoplasm where proteins are made?

chlororplasts


Why do they boil the proteins in western blot test?

Proteins are boiled to denature the proteins. Proteins are made of polypeptide chains, and are tightly folded into a three-dimensional shape within your cells. For a western blot, the protein must be denatured out of its folded shape so that it is only a long polypeptide chain.


Are proteins a linear string of amino acids or a folded string of amino acids?

Proteins are initially synthesized as linear strings of amino acids. However, they typically undergo folding to adopt a specific three-dimensional structure, which is important for their function. This folding process is crucial for proteins to achieve their functional shape and perform their biological roles effectively.