Enzymes increase reaction rates by______________?

A. Altering the free energy of the action
B. Inhibiting the backward reaction
C. Enhancing the forward reaction
D. Decreasing the energy of activation

Related Mcqs:

The enzymes that catalyses the same reaction but differ in physical properties are called as_____________?
A. Pro enzyme B. Iso enzyme C. Co-enzyme D. Holoenzyme...
A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
A. Cycline B. Calmodulin C. Collagen D. Kinesin...
Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?
A. Phosphoglutamase B. Branching enzyme C. Debranching enzyme D. Glucose-6-phosphotase...
Enzymes are classified according to_________________?
A. Action on substrate B. Action of coenzymes C. Nature of the enzymes D. All of the above...
Which of the following is NOT a characteristic feature of allosteric enzymes ?
A. They are multienzyme complex B. Follow Michaelis-Menton Kinetics C. Presence of Modulator site D. Give sigmoid shaped curve...
Enzymes involved in degradation of epinephrine_____________?
A. Cholinesterase B. Anticholinesterases C. Catechol 0-transferase D. Oxidases...
Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?
A. Zellweger’s syndrome B. Gaucher’s disease C. Epidermolysis bullosa D. Leber’s neuropathy...
Which of the following enzymes use NADP as coenzyme ________________?
A. Glyceraldehyde 3 phosphate dehydrogenase B. Lactate dehydrogenase C. Glucose 6-Phosphate dehydrogenase D. Beta hydroxy acyl CoA dehydrogenase...
Enzymes concerned with the citric acid cycle are found in the____________?
A. Nucleus B. Ribosomes C. Mitochondria D. Nonparticulate cytoplasm...
Which one of the following is the correct sequential order in which the given enzymes of kreb’s cycle are formed after a molecule of acetyl CoA______________?
A. Citrate, Oxalocetate, Ketoglutarate B. Ketoglutarate, Oxalocetate, Citrate C. Citrate, Ketoglutarate, Oxalocetate D. Oxalocetate, Ketoglutarate, Citrate...