Enzyme discovered by: ___________?

A. Jons Jacob Berzelius
B. Anselme Payen
C. Walter Bradford Cannon
D. None of these

Submitted by: Fiaz Ahmad Mazari

In 1833 Anselme Payen discovered the first enzyme, diastase, and in 1878 German physiologist Wilhelm Kühne (1837–1900) coined the term enzyme, which comes from Greek ενζυμον “in leaven”, to describe this process.

Related Mcqs:

Co-enzyme is often formed from ?
A. lipid
B. protein
C. inorganic ion
D. vitamin
enzyme is_____________?
A.bio catalyst
B.hormone
c. Gland
D.None of these
Submitted by: Bari Baloch
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
An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?
A. Apoenzyme
B. Holoenzyme
C. Activated enzyme
D. Both b and c
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.
Excessive increase in temperature of medium causes the enzyme molecule to____________?
A. Activate
B. Unaffected
C. Denatured
D. None of these
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
The enzyme which is secreted by salivary gland is?
A. Pepsin
B. Ptyalin
C. Lactalase
D. Bile
Submitted by: zainab
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
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