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All proteins have structure.
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∙ 16y ago
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What is the mutated gene of the Charcot-Marie-Tooth disease?
CMT is caused by mutations in genes that produce proteins involved in the structure and function of either the peripheral nerve axon or the myelin sheath. Although different proteins are abnormal in different forms of CMT disease, all of the mutations affect the normal function of the peripheral nerves. The gene mutations in CMT disease are usually inherited.
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.
How does the structure of proteins differ from the structure of carbohydrates?
Proteins, carbohydrates and fats (lipids) all have the elements carbon, hydrogen and oxygen in them. However, on top of that, protein ALSO has nitrogen in it, and this is how it differs.
What level of protein structure is characteristic of some but not all proteins?
The quaternary level.
What is the three dimensional Structure of Keratin?
Keratin is a protein, so it has both a primary and secondary structure. In fact, all proteins have a primary and secondary structure, along with a tertiary and quaternary structure. There are many different ways proteins can be structured and shaped, so biochemists divide proteins into 4 separate parts or structures.
How are proteins similar?
Proteins may be similar in respect to their chemical nature at the level of element and amino acid structure. But they are actually different to each other as they form difference structure by their amino acids and do various specific functions. All the proteins are coded in our DNA.
What is the basis of a proteins function?
Proteins perform all of the required tasks, structure, and activity in living things. They are required for nearly all of the functions of an organism and without them, there would be no life.
What genetic disorder results in protein abnormalities?
All genetic disorders affect the structure of proteins.
What acid in proteins?
Carboxylic acid group (-COOH) and amine group (-NH2) are in proteins. All amino acids are having these functional group with its specific prosthetic group. For example Glycine and Alanine will be the same structure except the side chain H in case of glycine and CH3 in case of alanine.
Is it true that proteins at the inner surface of the plasma membrane attach the membrane to the cells support structure making the cell rigid?
The primary proteins of cellular structure (such as in microfilaments or intermediate tubules) is myosin and actin, and sometimes collagen, and all of these are proteins in the cell. Because proteins generally connect to similar structures (aka other proteins), and the cellular membrane must SOMEHOW be attached to the primary cell structure, and it is easier to connect to the inner membrane than outer, the answer is yes.
Do all proteins carry the genetic codes which determine the structures and function of an organism?
No. Genetic codes are found on DNA or RNA. These code for the creation of proteins - and all products which determine the structure and function of an organism.
How do cows get mad cow disease?
Mad cow disease happens when the proteins in the brain of cow become misfolded. This is called prion. In simple words all proteins have to be folded before they can function and when some proteins in the brain become misfolded, such a state is called prions (misfolding of proteins) and it results in mad cow disease.
