MCAT Medical Entry Test 2017 Biology Enzymes

1. Enzymes are composed of hundreds of ?
 
 
 
 

2. The non-protein part of enzyme is known as ?

 
 
 
 

3. The charge and shape of the active site is formed by some amino acids present in the _______ chain of the enzyme ?

 
 
 
 

4. All enzyme can work at their maximum rate at a specific temperature called ?

 
 
 
 

5. An enzyme is a three dimensional ?

 
 
 
 

6. Without the enzymes the reactions would proceed at a very slow speed making life ?

 
 
 
 

7. The reactant which is attached to the active site of enzyme is called as a ?

 
 
 
 

8. An activated enzyme consisting of polypeptide chain and a co-factor is known as ?

 
 
 
 

9. For enzyme of human body the optimum temperature is ?

 
 
 
 

10. By increasing the enzyme molecules, an increase in the number of ______takes place ?

 
 
 
 

11. Lock and Key Model was proposed by ?

 
 
 
 

12. Enzyme activity requires ?

 
 
 
 

13. Pepsin is a powerful protein digesting enzyme and is produced in inactive form known as ?

 
 
 
 

14. If the vibrations due to increase in heat energy become too violent, globular, structure essential for enzyme activity is lost and enzyme is said to be ?

 
 
 
 

15. The functional specificity of every enzyme is the consequence of its specific chemistry and ?

 
 
 
 

16. Enzymes are the most important group of proteins which are biologically ?

 
 
 
 

17. The catalytic activity of enzymes is restricted to a small portion of the enzyme known as ?

 
 
 
 

18. At low concentration of substrate the reaction rate is directly proportional to the ?

 
 
 
 

19. The binding site helps the enzyme in the recognition and binding of a proper substrate to produce ?

 
 
 
 

20. Induce fit Model was proposed by ?

 
 
 
 

21. Like enzymes, co enzymes can be used ?

 
 
 
 

22. According to Lock and Key Model active site is a ?

 
 
 
 

23. An enzyme and its substrate react with each other through definite charge bearing sites called ?

 
 
 
 

24. If the non-protein part is loosely attached to the protein part it is known as ?

 
 
 
 

25. Enzymes are very ______ in their function ?

 
 
 
 
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