Which of the following is not formed during the TCA cycle a. Isocitrate b. Both Lactate and Isocitrate c. Lactate d. Succinate

Glucose transporter present in erythrocytes is- A. GLUT 1 B. GLUT 2 C. GLUT 3 D. GLUT 4

One of the following is NOT correct regards haptoglobin  A. is a strong acute-phase protein, increases 1000-folds shortly after inflammation B. is α2-glycoprotein C. Prevents iron loss through the kidneys D. is decreased in liver disease and haemolytic anemia E. None of the above

Which of the following is true about the proximal histidine of hemoglobin? A. It forms a hydrogen bond with bound oxygen. B. It is bonded to the Fe2+ atom coordinated by heme C. It binds oxygen D. It is not consumed in myoglobin

Properdin     A. Splits Factor D into Da and Db   B. Splits Factor B into Ba and Bb   C. Splits Factor H to inactivate the C3 convertase   D. Binds Bb to C3bBb to form the C3 convertase

Suppose a hypothetical "molecule X" binds to hemoglobin (at a different site than the O2 binding site) and stabilizes the T state. How would you identify this effector? a. Positive homotropic effector b. Negative homotropic effector c. Positive heterotropic effector d. Negative heterotropic effector

If one were to infuse lactate into the blood stream during exercise via an I.V. catheter, which of the following physiological events would be observed?    a. A significant increase in the burning sensation experienced in the lungs during rigorous exercise   b. A decrease in exercise time to exhaustion (fatigue faster)   c. An increase in liver gluconeogenic activity    d. All of the above    e. Only A and B are correct

G-proteins consist of 3 protein subunits. Which of the 3 subunits is tethered into the plasma memebrane. a. beta b. alpha c. gamma d. more than one is correct

___________hemolysis is the partial lysis of red blood cells due to bacterialhemolysins.a. Gamma- c. Beta- b.Alpha- d. Delta-

What is the recommended standard concentration of heparin? a. 50 units/mL b. 100 units/mL C. 250 units/mL d. 1000 units/mLX