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What structure of proteins is determined by the hydrogen bonds between amino acids that cause the protein to coil into helices or pleated sheets.?
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What is the relationship between an organism's DNA and protein specificity?
The proteins are made up of the DNA strands. The proteins will be determined by the DNA that is within the organism.
What are the structure levels of proteins?
1st level, 2nd level, Tertiary, and Quaternary. The first level is just the different protein groups forming peptide bonds to create a polypeptide The second level consists of hydrogen bonds between the H and the O molecules in the proteins forming pleated and helical shapes The Tertiary structure is the interactions of different R groups binding to each other (many different types of bonds happen between the R groups) The Quaternary structure is many polypeptides interacting with each other
What type of interaction stabilizes the secondary structure of a protein causing it to form an alpha-helix?
In an α-helix, the polypeptide backbone forms a repeating helical structure that is stabilized by hydrogen bonds between a carbonyl oxygen and an amine hydrogen. These hydrogen bonds occur at regular intervals of one hydrogen bond every fourth amino acid and cause the polypeptide backbone to form a helix.
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.
Does CO2 have an resonance structure?
no
Where can hydrogen bond be found in living organisms?
in dna i.e between the bases of the polynucleotides in primary, secondary and tertiary structure of proteins
What are two molecules found in living things besides water that depend on hydrogen bonding for their structure and function?
The cohesion between strands of the DNA double helix and the primary structure of proteins are both dependent on hydrogen bonding.
Do all proteins have quandary structure?
No. Proteins start out as a Primary structure, which is just the linear form and sequence of amino acids. The proteins then start forming alpha helices and/or Beta sheets depending on the properties of the amino acids. This is their Secondary structure The proteins then fold completely into tertiary structure. Here, we have a lot of hydrogen bonding and hydrophobic interactions within the protein between the helices and beta sheets. Many proteins are fully functional in their tertiary structure and don't have any reason for forming into a quaternary structure. In the quaternary structure, we usually see an interaction between 2 or more polypeptides or proteins. An example would be 2 proteins in their tertiary structure binding together to become a functional dimer. If 3 proteins were interacting it would form a trimer. Several proteins are functional only in a quaternary structure while several more proteins are just fine in their tertiary structure and therefore do not have a quaternary structure.
What determines the functional structure of a protein?
A protein's structure is determined by:- the amino acid sequences of its polypeptide chains;- hydrogen bonds between amino acids in polypeptides;- other bonds (e.g. hydrophobic interactions, disulphide bridges) between side chains in the polypeptides; and- the arrangement of polypeptides (in a protein that contains more than one polypeptide)Scientists have mapped the structures of several proteins; however, scientists are still unsure as to how proteins actually form their final structures.The function of a protein is directly related to its structure. For example, a protein that fights a certain bacteria might have a shape that allows it to bind to the bacteria and then destroy it.
How are proteins stabilized in the folded structure?
Generally through forces of interaction like hydrogen bonding between N-H of one amino acid and C=O of another amino acid.
What type of bond occurs between proteins?
peptide bond, hydrogen bond
What is the relationship between an organism's DNA and protein specificity?
The proteins are made up of the DNA strands. The proteins will be determined by the DNA that is within the organism.
What is the difference between interchain and intrachain hydrogen bonds in the secondary structure of proteins?
IntrAchain H-bonds stabalize bonds between the same polypeptide chain (alpha-helices). IntErchain- H-bonds stablized between different polypeptide chain. (beta- structures)
What are the structure levels of proteins?
1st level, 2nd level, Tertiary, and Quaternary. The first level is just the different protein groups forming peptide bonds to create a polypeptide The second level consists of hydrogen bonds between the H and the O molecules in the proteins forming pleated and helical shapes The Tertiary structure is the interactions of different R groups binding to each other (many different types of bonds happen between the R groups) The Quaternary structure is many polypeptides interacting with each other
Hydrogen bonds between different parts of the polypeptide chain result in which level of protein structure?
Tertiary structure
What type of interaction stabilizes the secondary structure of a protein causing it to form an alpha-helix?
In an α-helix, the polypeptide backbone forms a repeating helical structure that is stabilized by hydrogen bonds between a carbonyl oxygen and an amine hydrogen. These hydrogen bonds occur at regular intervals of one hydrogen bond every fourth amino acid and cause the polypeptide backbone to form a helix.
What are the similarities between proteinscarbohydrates and lipids?
Typically, carbohydrates, lipids, and proteins all contain carbon, oxygen, and hydrogen.
