8. The physical chemical properties of proteins and their colloidal solutions. Precipitation of proteins (salting out) Denaturation
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- 2. Classification of lipids.1. Describe how each of the following relates to protein configuration: primary structure - secondary structure - tertiary structure - quaternary structure -10 This level of protein structure involves regular patterns within a protein chain held by hydrogen bonding. Choose the correct level of protein structure: primary secondary tertiary quaternary
- Which of the following statement about quaternary structure of protein is correct? Select one: a. Quaternary structure is a force between different polypeptides. b. Hydrogen bond is an only force found in quaternary structure. c. Quaternary structure contains one polypeptide. d. Quaternary structure is an unfolded form of protein.3. Why do we need to study the four levels of protein structure? Cite its practical use to our day-to-day life.Which statement about quaternary structure is TRUE? Quaternary structure is unaffected by acids or heat. Quaternary structure is determined by the same interaction that holds an α-helix together. Quaternary structure is how prosthetic groups are held in a protein. Quaternary structure is the position of subunits in the overall structure of a protein. All proteins have quaternary structure
- At what level of protein structure (primary, secondary, tertiary, or quaternary) will protein structure be initially altered? Heating a protein (due to fever), causing hydrogen bonds to break. Drastic changes in pH (like the above patients), causing some polar amino acids to turn into non-polar amino acidsProteins are made up of stands of ____________1. How does a protein carry out its main functionality?
- Which of the following statement(s) about proteins is true? a. proteins are polymers of amino acids chemically joined by dipeptide bondsb. proteins have 4 functional levelsc. proteins can be irreversibly denaturedd. fibrous proteins are functional and globular proteins are structurale. none of the aboveCompare (4 differences & 4 similarities) between the secondary structure and quaternary structure of proteins1. Define and give there functions a. Carbohydrates b.polysaccharides