Enzyme discovered by: ___________?

Related Mcqs:

1. Co-enzyme is often formed from ?

   A. lipid
   B. protein
   C. inorganic ion
   D. vitamin

2. enzyme is_____________?

   A.bio catalyst
   B.hormone
   c. Gland
   D.None of these

   Submitted by: Bari Baloch

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

   A. Substrate
   B. Co-factor
   C. Inhibitor
   D. Promotor

4. An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?

   A. Apoenzyme
   B. Holoenzyme
   C. Activated enzyme
   D. Both b and c

5. Which statement about enzyme is incorrect_________________?

   A. Some of them consist solely of protein with no non protein part.
   B. They catalyze a chemical reaction without being utilized.
   C. All enzymes are fibrous Proteins.
   D. They without their cofactor are called apoenzyme.

6. Excessive increase in temperature of medium causes the enzyme molecule to____________?

   A. Activate
   B. Unaffected
   C. Denatured
   D. None of these

7. Inhibitors which block the enzyme by forming weak bond are called___________?

   A. Competitive inhibitors.
   B. Non-competitive inhibitors
   C. Irreversible inhibitors.
   D. Both a and b

8. The enzyme which is secreted by salivary gland is?

   A. Pepsin
   B. Ptyalin
   C. Lactalase
   D. Bile

   Submitted by: zainab

9. Enzyme activity can also be charted through the __________ ?

   A. Rate of digestion
   B. Rate of reaction
   C. Level of pH
   D. Number of active sites

   Submitted by: Rashid Mehmood

10. Like enzymes , co enzyme can be used ?

    A. only once
    B. only few times
    C. again and again
    D. non of above

    Submitted by: Wajahat Amin