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.
Related Mcqs:
- Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
A. They belong to sphenopsida
B. They are seedless and their leaves are called fronds
C. They live in shady and moist areas.
D. They show circinate vernation. - The rate of reaction is directly proportional to the concentration of an enzyme which statement is incorrect in this respect_________________?
A. Increase in enzyme molecule increases the available active sites.
B. This relation is for unlimited time period with unlimited enzyme concentration
C. If the concentration is doubled the rate will become two fold.
D. None of these. - Co-enzyme is often formed from ?
A. lipid
B. protein
C. inorganic ion
D. vitamin - An activated enzyme consisting of polypeptide chain and a cofactor is called_______________?
A. Apoenzyme
B. Holoenzyme
C. Activated enzyme
D. Both b and c - The structure of an enzyme is altered by____________?
A. Irreversible inhibitor
B. Reversible inhibitor
C. Competitive inhibitor
D. Non-competitive inhibitor - 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 - 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 - An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?
A. DNAase
B. RNAase
C. DNA polymerase
D. Reverse Transcriptase - Enzyme activity can also be charted through the __________ ?
A. Rate of digestion
B. Rate of reaction
C. Level of pH
D. Number of active sitesSubmitted by: Rashid Mehmood
- Enzyme discovered by: ___________?
A. Jons Jacob Berzelius
B. Anselme Payen
C. Walter Bradford Cannon
D. None of theseSubmitted by: Fiaz Ahmad Mazari
