--%>
Assignment Help - homework help

Describe the quaternary structure of a protein

Describe the quaternary structure of a protein? Does each and every protein contain quaternary structure?

E

Expert

Verified

The quaternary protein structure is the spatial conformation due to interactions between polypeptide chains which form the protein.

Only such proteins made up of two or more polypeptide chains contain quaternary structure. Insulin (or two chains), hemoglobin (or four chains) and the immunoglobulin (or antibodies, four chains) are some illustrations of protein containing quaternary structure.

   Related Questions in Biology

  • Q : Illustrations of secretory cells

    Illustrations of secretory cells: Exocrine and Endocrine pancreatic cells, parathyroid and thyroid endocrine cells, adenohypophysis, adrenal & pineal endocrine cells, the numerous kinds of gastric exocrine and endocrine cells, the mucous secretory

    		•
  • Q : Explanation of biotic factors Give a

    Give a brief explanation of biotic factors.

    		•
  • Q : Circulatory system in arthropods Name

    Name the type of circulatory system existed in arthropods? Do such animals have heart and respiratory pigments?

    		•
  • Q : How caffeine effect the plant growth

    How caffeine effect the plant growth?

    		•
  • Q : Super Ego Force of Freudian Theory -

    The super ego represents societal and personal norms  and serves as an ethical constraint on behavior. It can best be described as the conscience. The super ego provides norms to ego to determine what is wrong or right. However, a person is not aware of the working of the super ego, and cons

    		•
  • Q : Cellular immune response Describe how

    Describe how does cellular immune response take place?

    		•
  • Q : Explanation of delayed hypersensitivity

    Give a brief explanation of delayed hypersensitivity.

    		•
  • Q : Define cytoskeleton and its constituents

    Define cytoskeleton and its constituents: Cytoskeleton is the cytoplasmic structure which supports cell, keeps its shape and fixates and moves cell organelles. This is made up of an extensive network of fibers dispersed in the cytoplasm and attached i

    		•
  • Q : List the biologic functions these

    Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

    		•
  • Q : Name the device for counting RBC Name

    Name the device which is utilized for counting RBC? Answer: Haemocytometer is a device utilized for counting the red blood cells per millimeter of blood.

    		•