A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?

Related Mcqs:

1. A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?

   A. Co-enzyme
   B. Blocker
   C. Inhibitor
   D. Cofactor

2. A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?

   A. Irreversible inhibitor
   B. Reversible inhibitor
   C. Competitive inhibitor
   D. Non-competitive inhibitor

3. A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________?

   A. Active site
   B. Binding site
   C. Catalytic site
   D. Allosteric site

4. The active site of an enzyme______________?

   A. Never changes
   B. Forms no chemical bond with substrate
   C. Determined by structure and the specificity of the enzyme
   D. They are non specific in their action

5. Active site of Rubisco is evolved to bind?

   A. CO2
   B. O2
   C. H2O
   D. All of these

    

6. A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called__________?

   A. Lipid
   B. Carbohydrate
   C. Protein
   D. Carotein

7. A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

   A. Kidney surgery
   B. Burring a hole and removing the stone manually (nephrolithotomy)
   C. Extracorporeal Shock wave lithotripsy
   D. None of these

8. Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?

   A. Molecular biology
   B. Physiology
   C. Biochemistry
   D. Atomic biology

9. The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________?

   A. Chemistry
   B. Biochemistry
   C. Molocular biology
   D. Both a and b

10. The number of naturally accusing chemical elements involved in bio chemical reaction is

    A. 126
    B. 86
    C. 92
    D. 206

    Submitted by: Fareed Ahmed