The function of myoglobin is to A) carry oxygen in the muscle. B carry vitamins

Question

The function of myoglobin is to A) carry oxygen in the muscle. B carry vitamins in the blood. C) carry oxygen in the blood. D) support the skeletal muscles. E) provide strength in cartilage. In sickle-cell anemia, the hemoglobin molecules A) undergo crenation. B) enlarge to twice normal size. C) clump together into insoluble fibers. D) dissolve in the plasma. E) come apart into separate chains. Denaturation of a protein A) can only occur in a protein with quaternary structure. B is always irreversible C) hydrolyzes peptide bonds. D) disrupts the secondary, tertiary, or quaternary structure of a protein. E) changes the primary structure of a protein. One heavy metal that can cause denaturation of a protein is A) barium. B) calcium. C) sodium D) silver. E) iron An acid can denature a protein by A) removing helping molecules such as heme. B) breaking disulfide bridges C) agitating the protein chains. D) disrupting hydrogen bonds between R group chains. E) disrupting hydrophobic interactions within a protein chain.

Explanation / Answer

34.B. carry oxygen in muscles

Myoglobine carry the oxygen and store the oxygen in mucles.

35. A. undergo crenation

red cell converted to sickel shape

36. D. disrupts secondary and tertiary or quaternary structure of protein

Denaturation of proteins involves the dirutption and possible destruction of both the secondary and tertiary structures.

37. D. silver

   Ag+ , Pb+2 , Hg+2 , Cd+2 cause denature of protien

38. D

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