Description : Methylmalonyl CoA is a metabolite of (A) Valine (B) Leucine (C) Isoleucine (D) All of these
Last Answer : Answer : A
Description : In the synthesis of Angiotensin I, rennin acts on Angiotensinogen and cleaves the (A) Leucine – leucine at 10 and 11 position (B) Valine – tyrosine at 3 and 4 position (C) Isoleucine – histidine at 5 and 6 position (D) Proline – histidine at 7 and 8 position
Description : Branched chain amino acids are (A) Cysteine and cystine (B) Tyrosine and Tryptophan (C) Glycine and Serine (D) Valine, Leucine and Isoleucine
Last Answer : Answer : D
Description : All the following are branched chain amino acids except (A) Isoleucine (B) Alanine (C) Leucine (D) Valine
Last Answer : Answer : B
Description : The following coenzyme is required for catabolism of pyrimidine bases: (A) NADH (B) NADPH (C) FADH2 (D) None of these
Description : HMG CoA is formed in the metabolism of (A) Cholesterol, ketones and leucine (B) Cholesterol, fatty acid and Leucine (C) Lysine, Lecuine and Isoleucine (D) Ketones, Leucine and Lysine
Description : An important feature of maple syrup urine disease is (A) Patient can not be treated by dietary regulation (B) Without treatment death, of patient may occur by the end of second year of life (C) Blood levels of leucine, isoleucine and serine are increased (D) Excessive brain damage
Description : Carboxy peptidase B in the small intestine hydrolyzes peptides containing (A) Leucine (B) Isoleucine (C) Arginine (D) Cysteine
Last Answer : Answer : C
Description : All followings are ketogenic aminoacids except (A) Leucine (B) Isoleucine (C) Phenyl alanine (D) Glycine
Description : Electrostatic bonds can be formed between the side chains of (A) Alanine and leucine (B) Leucine and valine (C) Asparate and glutamate (D) Lysine and aspartate
Description : A ketogenic amino acid is (A) Valine (B) Cysteine (C) Leucine (D) Threonine
Description : An example of polar amino acid is (A) Alanine (B) Leucine (C) Arginine (D) Valine
Description : Sulphur containing amino acid is (A) Methionine (B) Leucine (C) Valine (D) Asparagine
Last Answer : (A) Methionine
Description : .Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine.
Last Answer : (a) serine and isoleucine
Description : Khorana first deciphered the triplet codons of (a) serine and isoleucine (b) cysteine and valine (c) tyrosine and tryptophan (d) phenylalanine and methinonine
Last Answer : (b) cysteine and valine
Description : Herbicides inhibiting Acetolactate Synthase (ALS) associated with making of leusine, isoleucine and valine a). Ureas b). Sulfonylureas c). Chloracitamides d). Bipyridilliums
Last Answer : b). Sulfonylureas
Description : The major fibrous proteins are: a) peptone and edestin b) glutelin and leucine c) valine and lysine d) myosin and actin
Last Answer : ANSWER: D -- Myosin and Actin
Description : Which among the following is a nutritionally essential amino acid for man? (A) Alanine (B) Glycine (C) Tyrosine (D) Isoleucine
Description : The amino acid containing hydroxy group: (A) Glycine (B) Isoleucine (C) Arginine (D) Thereonine
Description : Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine
Description : All the standard amino acids except the following have one chiral ‘c’ atom: (A) Threonine, Isoleucine (B) Isoleucine, Alanine (C) Threonine, Alanine (D) Alanine, Glutamine
Description : The amino acid containing hydroxyl group: (A) Alanine (B) Isoleucine (C) Arginine (D) Threonine
Description : Tetrahydrofolate is required as a coenzyme for the synthesis of (A) UMP (B) CMP (C) TMP (D) All of these
Description : For the synthesis of TMP from dump, a coenzyme is required which is (A) N10- Formyl tetrahydrofolate (B) N5- Methyl tetrahydrofolate (C) N5, N10- Methylene tetrahydrofolate (D) N5- Formimino tetrahydrofolate
Description : Which of the following coenzyme is required for porphyrin synthesis? (A) Coenzyme A (B) Pyridoxal phosphate (C) Both (A) and (B) (D) None of these
Description : If a coenzyme is required in an enzyme reaction, the former usually has the function of (A) Acting as an acceptor for one of the cleavage products of the substrate (B) Enhancing the specificity ... C) Increasing the number of receptor sites of the apo enzyme (D) Activating the substrate ENZYMES 167
Description : An inorganic ion required for the activity of an enzyme is known as (A) Activator (B) Cofactor (C) Coenzyme (D) None of these
Description : A coenzyme required in carboxylation reactions is (A) Lipoic acid (B) Coenzyme A (C) Biotin (D) All of these
Description : A coenzyme required in transamination reactions is (A) Coenzyme A (B) Coenzyme Q (C) Biotin (D) Pyridoxal phosphate
Description : Biotin is required as a coenzyme by (A) Anaerobic dehydrogenases (B) Decarboxylases (C) Aerobic dehydrogenases (D) Carboxylases
Description : Pyridoxal phosphate is required as a coenzyme in (A) Transamination (B) Transulphuration (C) Desulphydration (D) All of these
Description : NAD is required as a coenzyme for (A) Malate dehydrogenase (B) Succinate dehydrogenase (C) Glucose-6-phosphate dehydrogenase (D) HMG CoA reductae
Description : NADP is required as a coenzyme in (A) Glycolysis (B) Citric acid cycle (C) HMP shunt (D) Gluconeogenesis
Description : The coenzyme required for conversion of pyruvate to oxaloacetate is (A) FAD (B) NAD (C) TPP (D) Biotin
Description : The vitamin required as coenzyme for the action of transaminases is (A) Niacin (B) Pantothenic acid (C) Pyridoxal phosphate (D) Riboflavin
Description : A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD
Description : Which pathway is correct for catabolism of purines to form uric acid? (A) Guanylate→Adenylate→Xanthine→hypoxanthine→Uric acid (B) Guanylate→inosinate→Xanthine→hypoxanthine→Uric acid (C) Adenylate→Inosinate→Xanthine hypoxanthine→Uric acid (D) Adenylate→Inosinate→hypoxanthine Xanthine→Uric acid
Description : Catabolism of thymidylate gives (A) α-alanine (B) β-alanine (C) α-aminoisobutyrate (D) β-aminoisobutyrate
Description : β -Alanine is formed from catabolism of (A) Thymine (B) Thymine and cytosine (C) Thymine and uracil (D) Cytosine and uracil
Description : Free ammonia is liberated during the catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) All of these
Description : β -Aminoisobytyrate is formed from catabolism of (A) Cytosine (B) Uracil (C) Thymine (D) Xanthine
Description : Uric acid is the end product of purine as well as protein catabolism in (A) Man (B) Fish (C) Birds (D) None of these
Description : The enzyme common to catabolism of all the purines is (A) Adenosine deaminase (B) Purine nucleoside phosphorylase (C) Guanase (D) None of these
Description : The end product of purine catabolism in man is (A) Inosine (B) Hypoxanthine (C) Xanthine (D) Uric acid
Description : Gout is a metabolic disorder of catabolism of (A) Pyrimidine (B) Purine (C) Alanine (D) Phenylalanine
Description : The correct sequence of the reactions of catabolism of adenosine to uric acid is (A) Adenosine→hypoxanthine→xanthine→uric acid (B) Adenosine→xanthine→inosine→uric acid (C) Adenosine→inosine→hypoxanthine→ xanthine uric acid (D) Adenosine→xanthine→inosine→hypoxanthine uric acid
Description : In humans end product of purine catabolism is (A) Uric acid (B) Urea (C) Allantoin (D) Xanthine
Description : An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas
Description : Degradation of proteins to amino acids, glucose from carbohydrates and fatty acids from lipids is known as (A) Anabolism (B) Metabolism (C) Catabolism (D) Cretinism