7. Hemoglobin is a protein in red blood cells that is responsible for transporting oxygen throughout the body. Hemoglobin is made of four separate protein (polypeptide) chains that come together to form a functional protein. What is the highest level of protein structure in hemoglobin? A) Primary B) Secondary C) Tertiary D) Quaternary
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Which level of hemoglobin protein structure is most dramatically (and problematically) affected by the sickle cell mutation? a. primary structure c. tertiary structure b. secondary structure d. quaternary structure
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Hemoglobin structure (with alpha and beta chains), which is showing here, best describe protein which level of structure? primary structure quaternary structure secondary structure tertiary structure
Hemoglobin is a complex protein that contains four polypeptide chains. The normal hemoglobin found in adults - called adult hemoglobin - consists of two alpha and two beta polypeptide chains, which are encoded by different loci. Sickle-cell hemoglobin, which causes sickle-cell anemia, arises from a mutat ion in the beta chain of adult hemoglobin. Adult hemoglobin and sidkle-cell hemoglobin differ in a single amino acid: the sixth amino acid from one end in adult hemoglobin is glutamic acid, whereas sickle-cell hemoglobin has valine at this position. A fter consulting the genetic code provided in Figure 15.10, indicate the type and location of the mutation that gave rise to sickle-cell anemia.
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