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1. Describe at least three factors responsible for denaturation of proteins. Indicate what type of interactions...
Fully describe and illustrate each level of protein structure. What type(s) of chemical bond/interactions are essential at each level? When heat or a strong acid/base is applied, which level of protein structure is least affected?
1. Describe the types of interactions that keep complex structures of proteins intact and explain AT LEAST two of the general rules governing tertiary folding in terms of amino acid distribution and polypeptide chain trends/structure.
Enzyme activity is dependent on many factors. List at least three different factors that could negatively impact enzyme activity and describe one use for each instance in the body. (I.E. Oxycontin binds to enzyme active sites responsible for transferring pain signals, thus would be considered a
Identify the structure of amino acids, and describe the process by which they join together to form polypeptides. Describe the 4 different groups of amino acids and their properties (Neutral, Polar, Acidic, Basic). Describe the levels of structure of proteins (primary, secondary, tertiary, and quaternary), including what bonds and interactions occur at EACH level. Describe denaturation of a protein and indicate how temperature and pH affect the protein functions. Describe the major functions of proteins
(5 points): The alpha-ketogluterate dehydrogenase complex uses three proteins and 5 different co-factors to convert pyruvate to acetyl-CoA. Identify these three proteins and five co-factors and describe the chemical role that each plays in the reaction mechanism of the a-KGDH complex. Write the balanced equation for the overall reaction catalyzed by this enzyme.
1. What are the different types of proteins and their function? 2. Explain the meaning and importance of the primary, secondary, tertiary and quaternary structures of a protein and the factors that cause its denaturation.
Describe at least two factors that indicate how the global economy can affect value chains and business processes.
11) Proteins may have up to four levels of structure. For each type, describe the kind of bonding interactions that maintain that type of structure. Write whether the bond for that type of structure is covalent or noncovalent. Then specify the type of bond used (for example, hydrogen bond) (16 pts). Bond Type (covalent. or noncovalent Structure Level Specific bond type Prima Seconda Tertiary uaterna
1-What are the factors that affect enzyme activity? 2-How the present of denaturation affecting enzyme activity? 3-Explain how the excess of H2O2inhibit the enzyme?
1. Describe a typical protein-protein interface, and what is required to allow for protein interactions. 2. Are NAD- and ATP-binding domains generally conserved or unique? Why? 3. Why do proteins have cofactors (what role do they serve)? 4. Describe the two ways proteins can interact with DNA, and the differences between both. Which is similar to the RNA recognition motif? 5. How do proteins differentiate between ssRNA, dsRNA, DNA-RNA hybrids, and dsDNA?