Question: Multiienzyme complex in human_______________?
- 1. Fatty acid synthetase
- 2. Malonyl CoA carboxylase
- 3. Carbomoyl Phosphate synthetase
- 4. Adenosine phospho ribosyl transferase
Question: Which of the following is NOT a characteristic feature of allosteric enzymes ?
- 1. They are multienzyme complex
- 2. Follow Michaelis-Menton Kinetics
- 3. Presence of Modulator site
- 4. Give sigmoid shaped curve
Question: A example of a preventive antioxidant is_______________?
- 1. Catalase
- 2. Tocopherol
- 3. Superoxide dismutase
- 4. Urate
Question: LDH has following number oflsoenzymes________________?
- 1. 5
- 2. 3
- 3. 11
- 4. 2
Question: One of the earliest symptoms of Vit. A deficiency is________________?
- 1. Nyctalopia
- 2. Xerophthalmia
- 3. Bitot’s spot
- 4. Keratomalacia
Question: The enzyme phosphofructo kinase-1 is strongly activated by_______________?
- 1. Cyclic AMP
- 2. Adenosine tri phosphate
- 3. Citrate
- 4. Fructose 2,6 bis phosphate
Question: Megnesium is needed for the activity of which enzymes ?
- 1. Phosphatase
- 2. Aldolase
- 3. Dismutase
- 4. ATPase
Question: When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?
- 1. Cofactor
- 2. Coenzyme
- 3. Apoenzyme
- 4. Holoenzyme
Question: Coenzyme, in an enzymatic reaction usually functions to_____________?
- 1. Activate the substrate
- 2. Increase the active sites of apoenzyme
- 3. Enhance the specificity of apoenzyme
- 4. Accept one of the cleavage products
Question: The most common enzyme deficiency in man is___________?
- 1. Glucose 6 phosphate dehydrogenase
- 2. Glucose 6 phosphatase
- 3. Hexokinase
- 4. Glucose 1,6 diphosphatase