Description : Histidine is converted to histamine through the process of (A) Transamination (B) Decarboxylation (C) Oxidative deamination (D) Urea cycle
Last Answer : Answer : B
Description : Liver is excretory organ as (a) Urea is formed here (b) Deamination takes place (c) Eliminate bile pigments (d) None of the above
Last Answer : (c) Eliminate bile pigments
Description : d-UMP is converted to TMP by (A) Methylation (B) Decarboxylation (C) Reduction (D) Deamination
Last Answer : Answer : A
Description : Pyruvate is converted into acetyl-CoA by (A) Decarboxylation (B) Dehydrogenation (C) Oxidative decarboxylation (D) Oxidative deamination
Last Answer : Answer : C
Description : Biotin is involved in which of the following types of reactions? (A) Hydroxylation (B) Carboxylation (C) Decarboxylation (D) Deamination
Description : Both folic acid and methyl cobalamin (vitamin B12) are required in (A) Deamination of serine (B) Deamination of threonine (C) Conversion of pyridoxal phosphate to pyridoxamine phosphate (D) Methylation of homocystein to methionine
Last Answer : Answer : D
Description : Pyridoxal phosphate is central to (A) Deamination (B) Amidation (C) Carboxylation (D) Transamination
Description : Deamination is ______ of amino group. (A) Removal (B) Addition (C) Supplementation (D) None of these
Description : Histamine is formed from histidine by (A) Deamination (B) Dehydrogenation (C) Decarboxylation (D) Carboxylation
Description : Free ammonia is released during (A) Oxidative deamination of glutamate (B) Catabolism of purines (C) Catabolism of pyrimidines (D) All of these
Description : The amino acid that undergoes oxidative deamination at significant rate is (A) Alanine (B) Aspartate (C) Glutamate (D) Glutamine
Description : The main sites for oxidative deamination are (A) Liver and kidney (B) Skin and pancreas (C) Intestine and mammary gland (D) Lung and spleen
Description : A condition of failure of kidney to form urine is called (a) anuria (b) deamination (c) uremia (d) none of the
Last Answer : (a) anuria
Description : Incorporation of atmospheric N2to NH4 + occurs via the process of A.assimilatory nitrate reduction B.transamination C.deamination D.nitrogen fixation
Last Answer : D.nitrogen fixation
Description : Physical removal/loss of herbicides a). Adsorption b). Hydrolysis c). Deamination d). Dealkylation
Last Answer : a). Adsorption
Description : The primary action by which entacapone and tolcapone enhance the therapeutic effect of levodopa-carbidopa in parkinsonism is: A. Inhibition of levodopa methylation in the liver B. Inhibition of ... of dopamine in the brain D. Facilitation of active transport of levodopa across brain capillaries
Last Answer : A. Inhibition of levodopa methylation in the liver
Description : Deamination of proteins takes place in (a) Kidney (b) Liver (c) Spieen (d) Air
Last Answer : (b) Liver
Description : The process by which an amino acid loses its amino group is called: a) hydration b) deamination c) oxidoamination d) dehydration
Last Answer : ANSWER: B -- DEAMINATION
Description : For formation of urea which one of the following is required alongwith ammonia
Last Answer : For formation of urea which one of the following is required alongwith ammonia A. Arginase, `CO_(2)` and `O_(2 ... D. Asparate, `CO_(2)` and `O_(2)`
Description : Mechanism by which NH3 is removed from the kidneys is (A) Urea formation (B) Uric acid formation (C) Creatinine formation (D) None of these
Description : NH3 is removed from brain mainly by (A) Creatinine formation (B) Uric acid production (C) Urea formation (D) Glutamine formation
Description : Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in (A) Low bulk density product (B) Biuret formation (C) Non-spherical prills (D) Substantially wet non-flowing and sticky product
Last Answer : (B) Biuret formation
Description : Biuret formation in urea is kept at minimum (< 1 %), because it is (A) Corrosive in nature (B) Toxic and harmful to some crops (C) Helpful in decomposition of urea (D) Explosive in nature
Last Answer : (B) Toxic and harmful to some crops
Description : Lower temperature and large excess of ammonia in urea melt (A) Increases biuret formation (B) Decreases biuret formation (C) Is undesirable (D) Does not effect biuret formation
Last Answer : (B) Decreases biuret formation
Description : Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. (A) Increased biuret formation (B) High corrosion rate (C) Increased cost of equipment (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Describe the following points with respect to manufacturing of Urea. (i) Temperature (ii) Pressure (iii) Formation of Biuret
Last Answer : Manufacturing of Urea w.r.t following points 1. Temperature: Urea production rate increases as temperature increases up to 180oC and then fall sharply. 2. Pressure: Urea production rate increases as pressure ... before sending to prilling tower. 2NH2 .CO.NH2 = NH2.CO.NH.CO.NH2 + NH
Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo
Last Answer : (C) Urea is more hygroscopic than ammonium nitrate
Description : What is the first step in family formation ?
Last Answer : Marriage is the first step in forming a family.
Last Answer : The London Declaration is the first step towards the formation of the United Nations.
Last Answer : society Of formation The first Step Holo : Family.
Description : What is the first step in the formation of a valcaneo?
Last Answer : What is the answer ?
Description : The first step for initiation of photosynthesis will be (a) photolysis of water (b) excitement of chlorophyll molecules due to absorption of light (c) ATP formation (d) glucose formation.
Last Answer : (b) excitement of chlorophyll molecules due to absorption of light
Description : In scientific method what step follows the formation of a hypothesis?
Last Answer : Need answer
Description : The formation of a peptide bond during the elongation step of protein synthesis results in the splitting of how many high energy bonds? (A) 1 (B) 2 (C) 3 (D) 4
Description : The initial step of the citric acid cycle is (A) Conversion of pyruvate to acetyl-CoA (B) Condensation of acetyl-CoA with oxaloacetate (C) Conversion of citrate to isocitrate (D) Formation of α -ketoglutarate catalysed by isocitrate dehydrogenase
Description : The ‘Committed step’ in the biosynthesis of cholesterol from acetyl CoA is (A) Formation of acetoacetyl CoA from acetyl CoA (B) Formation of mevalonate from HMG CoA (C) Formation of HMG CoA from acetyl CoA and acetoacetyl CoA (D) Formation of squalene by squalene synthetase
Description : What is the rate-limiting-step in ketone body formation?
Last Answer : HMGCoA synthase.
Description : Which of the following is not a correct statement about the electrophilic substitution mechanism of benzene? (a) Benzene functions as a nucleophile. (b) Formation of a carbocation intermediate is the ... hybridized carbon in the ring. (d) The addition product is a frequently observed minor product.
Last Answer : The addition product is a frequently observed minor product.
Description : The rate limiting step in cholesterol biosynthesis is one of the followings : (A) LDL-receptor concentration (B) VLDL secretion (C) Mevalonic acid formation (D) Co-enzyme A formation
Last Answer : (C) Mevalonic acid formation
Description : What it means when a Girl step on guy foot?
Description : 'Cloud burst' means – (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.
Last Answer : (2) Abnormally heavy downpour of rain, associated with a thunderstorm. Explanation: A cloudburst is an extreme amount of precipitation, sometimes accompanied by hail and thunder, that normally ... . However, cloudbursts are infrequent as they occur only via orographic lift or sudden condensation.
Description : Cloud burst means – (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather
Last Answer : (2) Abnormally heavy downpour of rain, associated with thunderstorm Explanation: A cloudburst is sudden copious rainfall. It is a sudden aggressive rainstorm falling for a short period of time limited to a small geographical area. Generally cloudbursts are associated with thunderstorms
Description : In Cotton the term Square means — a. Harvesting b. Appearance of flower bud c. Defoliation d. Boll formation
Last Answer : b. Appearance of flower bud
Description : The width formation of a road means the width of (A) Carriageway (B) Pavement and shoulders (C) Embankment at ground level (D) Embankment at the top level
Last Answer : Answer: Option D
Description : 07. What is implied by «active transport»? a) Transport of drugs trough a membrane by means of diffusion b) Transport without energy consumption c) Engulf of drug by a cell membrane with a new vesicle formation
Last Answer : d) Transport against concentration gradient
Description : ‘Cloud burst’ means (1) Sowing of seeds of a crop in cloudy weather. (2) Abnormally heavy downpour of rain, associated with a thunderstorm. (3) Formation of artificial rain. (4) Presence of scattered flakes of cloud in the sky.
Last Answer : Abnormally heavy downpour of rain, associated with a thunderstorm.
Description : Cloud burst means (1) Formation of artificial rain (2) Abnormally heavy downpour of rain, associated with thunderstorm (3) Presence of scattered flakes of cloud in the sky (4) Sowing of seeds of a crop in a cloudy weather
Last Answer : Abnormally heavy downpour of rain, associated with thunderstorm