The superior vena cava is a large, yet short vein that carries deoxygenated blood from the upper half of the body to the heart's right atrium. The inferior vena cava (or IVC) â¦ is the large vein that carries de-oxygenated blood from the lower half of the body into the right atrium of the heart.nferior vena cava is a vein carrying and returning the blood to the heart, and abdominal aorta is an artery taking oxygenated blood from the heart to the various organs and t â¦ issues. 10 people found this useful.
Biochemical differentiation between Staphylococci and Streptococci with CATALASE test: The main criterion for differentiation between Staphylococcus and Streptococcus genera is the catalase test. Staphylococci are catalase positive whereas Streptococci are Catalase negative. Catalase is an enzyme used by bacteria to induce the reaction of reduction of hydrogen peroxide into water and oxygen. III-A.
1 Catalase test is used to differentiate aerotolerant strains of Clostridium, which are catalase negative, from Bacillus species, which are positive. 2  Semiquantitative catalase test is used for the identification of Mycobacterium tuberculosis.