1 - A example of a preventive antioxidant is_______________?
1 - A example of a preventive antioxidant is_______________?
Catalase
2 - A material that speeds up a chemical reaction without chemically becoming involved is called_____________?
2 - A material that speeds up a chemical reaction without chemically becoming involved is called_____________?
A catalyst
3 - Acetyl Co-A acts as a substrate for all the enzymes except______________?
3 - Acetyl Co-A acts as a substrate for all the enzymes except______________?
Malic enzyme
4 - An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?
4 - An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as____________?
Reverse transcriptase
5 - An example of layses is_____________?
5 - An example of layses is_____________?
Fumarase
6 - Benzidine test is positive with the enzyme______________?
6 - Benzidine test is positive with the enzyme______________?
Peroxidase
7 - Biotin is required for the activity of_____________?
7 - Biotin is required for the activity of_____________?
Pyruvate carboxylase
8 - Coenzyme responsible for single carbon transfer is______________?
8 - Coenzyme responsible for single carbon transfer is______________?
THF4
9 - Coenzyme, in an enzymatic reaction usually functions to_____________?
9 - Coenzyme, in an enzymatic reaction usually functions to_____________?
Accept one of the cleavage products
10 - Cofactor required for lipoprotein lipase activity is_______________?
10 - Cofactor required for lipoprotein lipase activity is_______________?
Apo C-II
11 - Competitive enzyme inhibition will cause_____________?
11 - Competitive enzyme inhibition will cause_____________?
Increase of km and Unchanged of Vmax
12 - Dehydrogenase used as coenzymes all of the following, except________________?
12 - Dehydrogenase used as coenzymes all of the following, except________________?
Ferro protoporphyrin
13 - Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?
13 - Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?
Liver disease
14 - Enzyme + coenzyme constitutes_____________?
14 - Enzyme + coenzyme constitutes_____________?
Holoenzyme
15 - Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?
15 - Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?
Transferases
16 - Enzymes are classified according to_________________?
16 - Enzymes are classified according to_________________?
Action on substrate
17 - Enzymes concerned with the citric acid cycle are found in______________?
17 - Enzymes concerned with the citric acid cycle are found in______________?
Mitochondria
18 - Enzymes help by____________?
18 - Enzymes help by____________?
Lowering the activation energy
19 - Enzymes involved in degradation of epinephrine_____________?
19 - Enzymes involved in degradation of epinephrine_____________?
Catechol 0-transferase
20 - Enzymes stored in muscle is________________?
20 - Enzymes stored in muscle is________________?
CPK
21 - Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?
21 - Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?
MB fraction
22 - Hexokinase is a______________?
22 - Hexokinase is a______________?
Transferase
23 - In mycocarrdial infarction the first enzyme to rise____________?
23 - In mycocarrdial infarction the first enzyme to rise____________?
CPK
24 - Inactive precursors of enzymes are known as_______________?
24 - Inactive precursors of enzymes are known as_______________?
Proenzymes
25 - Iron is present in all of the following except_______________?
25 - Iron is present in all of the following except_______________?
Pyruvate kinase
26 - Key glycolytic enzymes_____________?
26 - Key glycolytic enzymes_____________?
Phosphofructokinase
27 - Km of an enzyme is_____________?
27 - Km of an enzyme is_____________?
Substrate concentration at half maximal velocity
28 - Lactate dehydrogenase is____________?
28 - Lactate dehydrogenase is____________?
Isozyme
29 - LDH has following number oflsoenzymes________________?
29 - LDH has following number oflsoenzymes________________?
5
30 - Megnesium is needed for the activity of which enzymes ?
30 - Megnesium is needed for the activity of which enzymes ?
ATPase
31 - Michaelis-Menten hypothesis states that_____________?
31 - Michaelis-Menten hypothesis states that_____________?
Enzyme- substrate complex formation is essential in enzymatic reaction
32 - Multiienzyme complex in human_______________?
32 - Multiienzyme complex in human_______________?
Fatty acid synthetase
33 - Muscle glycogen cannot contribute directly to blood glucose level because___________?
33 - Muscle glycogen cannot contribute directly to blood glucose level because___________?
Muscle lacks glucose 6 phosphatase
34 - Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?
34 - Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?
Glucose-6-phosphotase
35 - Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?
35 - Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?
Zellweger's syndrome
36 - One of the earliest symptoms of Vit. A deficiency is________________?
36 - One of the earliest symptoms of Vit. A deficiency is________________?
Nyctalopia
37 - Serum alkaline phosphatase level increase in_______________?
37 - Serum alkaline phosphatase level increase in_______________?
Hyperparathyroidism
38 - The activity of the following enzyme is affected by biotin deficiency____________?
38 - The activity of the following enzyme is affected by biotin deficiency____________?
Carboxylase
39 - The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?
39 - The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?
Lecithin cholesterol acyl transferase (LCAT)
40 - The combination of main supporting enzyme is called______________?
40 - The combination of main supporting enzyme is called______________?
Holoenzyme
41 - The deficiency of thiamine can be identified by measuring the red cell______________?
41 - The deficiency of thiamine can be identified by measuring the red cell______________?
Transketaolase
42 - The enzyme phosphofructo kinase-1 is strongly activated by_______________?
42 - The enzyme phosphofructo kinase-1 is strongly activated by_______________?
Fructose 2,6 bis phosphate
43 - The enzyme that is specifically increased in obstructive jaundice is_____________?
43 - The enzyme that is specifically increased in obstructive jaundice is_____________?
Alkaline phosphaase
44 - The enzyme that splits hydrogen peroxide into water and oxygen is_____________?
44 - The enzyme that splits hydrogen peroxide into water and oxygen is_____________?
Catalase
45 - The enzymes that catalyses the same reaction but differ in physical properties are called as_____________?
45 - The enzymes that catalyses the same reaction but differ in physical properties are called as_____________?
Iso enzyme
46 - The main site of fluoride inhibition in the Embden Meyerhof pathway of acid____________?
46 - The main site of fluoride inhibition in the Embden Meyerhof pathway of acid____________?
Enolase
47 - The most common enzyme deficiency in man is___________?
47 - The most common enzyme deficiency in man is___________?
Glucose 6 phosphate dehydrogenase
48 - When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?
48 - When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?
Cofactor
49 - Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?
49 - Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?
Adenylate cyclase
50 - Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?
50 - Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?
Requires TPP as cofactor
51 - Which of the following is NOT a characteristic feature of allosteric enzymes ?
51 - Which of the following is NOT a characteristic feature of allosteric enzymes ?
Follow Michaelis-Menton Kinetics
Pages
No comments:
Post a Comment
Your Valued Comments Help us to improve our site. Thanks