1. One pg is equal to
2. Imidazole ring is present in amino acid named
3. Given below is not a positively charged amino acid
4. An enzyme that catalyses the reaction A B changes the
5. Digestive enzyme Trypsin and Chymotrypsin cleaves a protein polypeptide specifically
6. The enzyme which can add water to a carbon-carbon double bond or remove water to create a double bond without breaking the bond is
7. Pepsin is an example for the class of enzymes
8.The co-enzyme not involved in Hydrogen transfer
9. Which of the following properties is not characteristic of enzymes?
10. Enzymes accelerate reaction rates by
11.Which of the following statements about enzyme reactions is false?
12.What is an active site?
13. Why is the Lineweaver-Burk plot important in enzyme kinetics?
14. Fischer's lock and key model of the enzyme action implies that
15.In Induced Fit model of enzyme substrate binding
16. Many enzymes that have NAD+ or NADH as a substrate exhibit
17. In double displacement mechanism of enzyme action
18. In bi-substrate ordered enzymatic reactions
19. The pH optima of most of the enzymes is
20.Factors affecting enzyme activity
21.The isoenzymes LDH5 is elevated in
22.Coenzymes combine with
23. The kinetic effect of purely competitive inhibitor of an enzyme
25. In non competitive enzyme activity inhibition, inhibitor
26. Malonate is an inhibitor of Succinate dehydrogenase
27. In Un-competitive inhibition Inhibitor binds with
28. In competitive enzyme activity inhibition
29. If a plot of v vs. [S] is sigmoidal, it most likely means that
30. What are allosteric regulators?
31. A characteristic of the active site of lysozyme that is a common feature of many enzymes is
32. An inducer is absent in the type of enzyme:
33. Activation or inactivation of certain key regulatory enzymes is accomplished covalent modification of the amino acid:
34.The specific activity of an enzyme is
35.The technique where large size substrates have difficulty in approaching the catalytic sites of immobilized enzymes
36.The technique for immobilization of enzymes where chances of leakage from support is minimum.
37. Generally on immobilization, the specific activity of enzyme
38.Most commonly used amino acid residue of enzymes involved in covalent binding and cross-linking during immobilization
39.Enzymes, which are produced in inactive form in the living cells, are called
40. Chymotrypsinogen and proelastases are activated by the action of proteolytic enzyme
41.Pepsinogen secreated in stomach is activated by
42. The molecular machine of ribozomes that translates RNA into proteins has catalytic activity known as
43. Proteolytic activity of secreted digestive enzymes is regulated by
44.In enzyme assays, all the following are kept constant except
45.Vmax of an enzyme may be affected by
46. One Unit of enzyme is defined as
47.Instrument not used to measure Enzyme activity is
48.Alkaline phosphatase is present in
49.In EM pathway 2-phosphoglycerate is converted to
50. Under anaerobic conditions the glycolysis one mole of glucose yields __ moles of ATP.
51. The following is an enzyme required for glycolysis:
52.Which of the following is a substrate for aldolase activity in Glycolytic pathway?
53.The glycolysis is regulated by
54.The conversion of alanine to glucose is termed
55.Which of the following reactions is unique to gluconeogenesis?
56.In presence of the following cofactor, pyruvate carboxylase converts pyruvate to
57.How many ATP molecules will be required for conversion of 2-molecules of Lactic acid to Glucose?
58.Oxaloacetate produced in mitochondria by pyruvate carboxylase in gluconeogenesis
59.How many ATPs are produced in the conversion of phosphoenol pyruvate to citrate?
60.Which of the following statements regarding T.C.A cycle is true?
61. The conversion of pyruvate to acetyl CoA and CO2
62.An allosteric enzyme responsible for controlling the rate of T.C.A cycle is
63.The enzymes of the citric acid cycle
64.An essential for converting Glucose to Glycogen in Liver is
65.A regulator of the enzyme Glycogen synthase is
66.Name the following pathways: Releases glucose from glycogen
67. Glucose is released by glycogen phosphorylase as
68.Glycogen synthase
69.What is the name of the pathway that degrades fatty acids (from ingested triacylglycerols) to acetyl-S-CoA?
70.Essential fatty acid
71. During each cycle of β-oxidation
72.Activation of fatty acids requires all the following except
73.Carnitine is required for the transport of
74.High iodine value of a lipid indicates
75.Intermediate in the denovo synthesis of triacyl glycerols include all the following except
76.A pathway that requires< NADPH as a cofactor is
77.Chain elongation of fatty acids occurring in mammalian liver takes place in which of the following subcellular fractions of the cell?
78.Acyl carrier protein is involved in the synthesis of
79.All of the following statements about the enzymic complex that carries out the synthesis of ATP during oxidative phosphorylation are correct except
80. Electron transport and phosphorylation can be uncoupled by compounds that increase the permeability of the inner mitochondrial membrane to
81.If the more negative standard reduction potential of a redox pair, the greater the tendency to
82.The more positive the E0, the greater the tendency of the oxidant member of that pair to
83.The standard free energy of hydrolysis of terminal phosphate group of ATP is
84.Sulphur containing amino acid is
85.The biosynthesis of Urea begins in the Liver:
86.The end product of amino acid nitrogen metabolism in uricotelic organisms (reptiles and birds) is
87.The transaminase activity needs the coenzyme:
88.The only amino acid that undergoes oxidative deamination at an appreciable rate
89._________ is the body's primary source of energy
90.Dietary fiber is an indigestible _________ that serves separately as a body regulatory agent.
91.Which of the following is called a silent nutrient?
92.Which of following is an essential amino acid?
93. Body protein has a source of energy of
94.Breaking down of larger substances into smaller units is called
95. The amount of nutrients a food contains in relationship to number of calories it contains
96.The below mentioned statements regarding Recommended Dietary Allowances (RDA) is false
97.RDA values are not given for
98.The value of protein RDA is
99. Heat of reaction at a constant volume is measured in the apparatus
100.Protein content in food products is mostly measured by
101. Kjeldahl method protein is estimated by estimation of
102. Phenol sulphuric acid method is used to estimated _________ in food
103. Ether extraction for lipid estimation in food products is a
104. One manifestation of vitamin A deficiency is
105. The vitamin which would most likely become deficient in an individual who develop a completely carnivorous life style is
106.Vitamin B1 coenzyme (TPP) is involved in
107.Scurvy is caused due to the deficiency of
108.Vitamin essential for transamination is
109.Hormones
110.Epinephrine stimulates glycogenolysis in
111.Which one of the following hormones is derived most completely from tyrosine?
112.A hormone used for detection of pregnancy is
113.All mammalian steroid hormones are formed from
114.Emulsifying agent produced by the liver and stored in the gall bladder aids fat digestion and absorption.
115.Most of the hydrolysis of triglycerides occurs in the
116.Digestion in the small intestine is where pancreatic amylase converts the carbohydrate starch to
117.The zymogen pepsinogen, is converted to pepsin in the acid medium (autoactivation) or by active pepsin (autocatalysis)
118.The proteolytic pancreatic enzymes include
119.Galactose is phosphorylated by galactokinase to form
120.Lactose intolerance occur due to the deficiency of enzyme
121.Galactosemia occurs due to impairment in metabolism of
122.The patients of phenyketonuria should restrict _________ amino acid in their diet.
123.Milk hypersensitivity is a
124.Majority portion of Milk fat is
125.The fatty acids used to synthesize milk fat (triglycerides) come from
126.Major protein of milk whey
127.Milk proteins are synthesized in
128.Enzyme responsible for lactogenesis appear
129. PEM stands for
130. Iodine efficiency causes
131.National Institute of Nutrition is situated at
132.Goitre Control Programme was initiated in
133.Mid-Day Meal Programme was first launched in
134.Which one is not an Antioxidant
135.WHO stands for
136.Mg is a Chelating Agent found in
137.Solanine a natural toxicants that interferes with transmitting nerve impulses found in
138. Citral a natural toxicant found in orange peel is antagonist to
139.Recommended Daily requirement of Vitamin C is
140.Vitamin C deficiency causes
141.Vitamin c is soluble in
142. Vitamin C activates an enzyme Prolyl hydroxylase that help in the formation of a collagen constituent known as
143.Average concentration of Cholesterol in blood is
144. Structurally, why is starch a better molecule for energy storage than cellulose?
145. Starch and glycogen are different in that only one of them:
146. Common fatty acids have
147. Which of the following is TRUE of sphingolipids
148. Essential fatty acids
149. The DNA polymer (5')GTGATCAAGC(3') is complementary to and could form a double-stranded structure with
150. When messenger RNA code is translated, what new product forms?
151. What term describes the phosphate, carbon, and nitrogenous base groups that make up DNA?
152. The visible range for spectrophotometer lies between
153. The ratio of 260 nm/280 nm of a pure DNA solution lies between
154. Which method is not used for protein estimation?