The enzyme involved in the first committed step of glycolysis is____________?

Related Mcqs:

1. An enzyme not involved in glycolysis is______________?

   A. Enolase
   B. Phosphoglycero mutase
   C. Aldolase
   D. Glycerophosphate dehydrogenase

2. Insulin acts on which enzyme in glycolysis ?

   A. Glucokinase
   B. Hexokinase
   C. Glucose 6 phosphatase
   D. Adenylate kinase

3. The end product of glycolysis under anaerobic conditions is_______________?

   A. Lactic acid
   B. Pyruvic acid
   C. Acetoacetic acid
   D. Oxaloacetic acid

4. Which one of the following enzymes provides a link between glycolysis and the citric acid cycle ?

   A. Lactate dehydrogenase
   B. Pyruvate kinase
   C. Citrate synthase
   D. Pyruvate dehydrogenase

5. In glycolysis ATP is produced by the following enzyme______________?

   A. Hexokinase
   B. Phosphoglycerate kinase
   C. Enolase
   D. Phosphohexose isomerase

6. Inhibition of glycolysis by O2 is known a_____________?

   A. Muni effect
   B. Pasteur effect
   C. Hill reaction
   D. Gluconeogenesis

7. Key enzyme in urea synthesis is____________?

   A. Urease
   B. Carbamyl synthetase
   C. Arginase
   D. Ornithine

8. Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?

   A. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG
   B. Hypoxia inhibits hexokinase
   C. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane
   D. Activation of the regulatory enzymes by high PH

9. S. mutans is involved in dental caries initiation Other bacteria also involved is______________?

   A. S. Sarcinus
   B. S. macae
   C. S. sanguis
   D. S. salivarius

10. Organism involved in smooth surface caries is____________?

    1 Streptococcus mutans
    2 Actinomyces viscosus
    3 Lactobacillus
    4 Campylobacter

    A. only 1
    B. only 2
    C. 1 and 3
    D. All of the above