A. Rate of enzymatic reaction is independent of substrate concentration
B. Rate of non enzymatic reaction is proportional to substrate concentration
C. Km is the enzyme substrate complex association constant
D. Enzyme- substrate complex formation is essential in enzymatic reaction
Related Mcqs:
- Among the difference between teeth in the decidous and the permanent dentition is that_____________?
A. Buccal surfaces of the permanent molars are flatter
B. Cervical ridges are more pronounced in permanent molars
C. Root trunks of decidous teeth are larger compared with their overall root lengths
D. Crowns of decidous incisors are wider mesiodistally than their cervico incisal lengths - Chargaff rule states that___________?
A. A+G=T+C
B. A/T=G/C
C. A=U=T=G=C
D. A+T=G+C - With prolonged use in seizure states, which of the following drugs can cause coarsening of facial features, hirsutism, gingival hyperplasia and osteomalacia?
A. Valproic acid.
B. Carbamazepine.
C. Ethosuximide.
D. PhenytoinSubmitted by: Dr.Tassawer-e-Meran
- Hexokinase is a______________?
1. Transferase
2. Reductase
3. Oxidoreductase
4. Oxidase - A material that speeds up a chemical reaction without chemically becoming involved is called_____________?
A. A solvent
B. A base
C. A catalyst
D. Thermoplastic - Serum alkaline phosphatase level increase in_______________?
A. Hypothyroidism
B. Carcinoma of prostate
C. Hyperparathyroidism
D. Myocardial infarction - The enzyme phosphofructo kinase-1 is strongly activated by_______________?
A. Cyclic AMP
B. Adenosine tri phosphate
C. Citrate
D. Fructose 2,6 bis phosphate - Benzidine test is positive with the enzyme______________?
A. Cytochrome oxidase
B. Dehydrogenase
C. Hydrolase
D. Peroxidase - Enzymes help by____________?
A. Lowering the activation energy
B. Increasing the substrate concentration
C. Decreasing the surface tension
D. Increasing the activation energy - Inactive precursors of enzymes are known as_______________?
A. Apoenzymes
B. Coenzymes
C. Proenzymes
D. Holoenzymes
