Description : What is the test for reducing sugars in urine?
Last Answer : Benedictís test.
Description : For conjugation with many enogenous and exogenous substances before elimination in urine, the uronic acid pathway provides (A) Active glucuronate (B) Gulonate (C) Xylulose (D) Xylitol
Last Answer : Answer : A
Description : Can you name some substances where D-amino acids are seen?
Last Answer : D-amino acids are seen in cell walls of micro-or- ganisms and as constituents of certain antibiotics such as gramicidin-S, polymyxin, actinomycin-D and valinomycin
Description : Increased glucosaminoglycans in urine is seen in which condition?
Last Answer : Mucopolysaccharidosis.
Description : Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a ... . Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.
Last Answer : a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin.
Description : Which one of the following substances is normally found in urine? (1) blood proteins (2) creatinine
Last Answer : creatinine
Description : Which of the following gives a positive Ninhydrin test? (A) Reducing sugar (B) Triglycerides (C) α-amino acids (D) Phospholipids
Last Answer : Answer : C
Description : A deficiency of copper effects the formation of normal collagen by reducing the activity of which of the following enzyme? (A) Prolyl hydroxylase (B) Lysyl oxidase (C) Lysyl hydroxylase (D) Glucosyl transferase
Last Answer : Answer : B
Description : Transfer of reducing equivalents from succinate dehydrogenase to coenzyme Q is specifically inhibited by (A) Carboxin (B) Oligomycin (C) Piericidin A (D) Rotenone
Description : If the reducing equivalents enter from NAD in the respiratory chain, the phsphate/oxygen (P:O) is (A) 1 (B) 2 (C) 3 (D) 4 MINERAL METABOLISM 183
Description : If the reducing equivalents enter from FAD in the respiratory chain, the phosphate.oxygen ration (P:O) is (A) 2 (B) 1 (C) 3 (D) 4
Description : Reducing equivalents from succinate enter the mitochondrial respiratory chain at (A) NAD (B) Coenzyme Q (C) FAD (D) Cyt c
Description : Reducing equivalents from pyruvate enter the mitochondrial respiratory chain at (A) FMN (B) NAD (C) Coenzyme Q (D) Cyt b
Description : The main source of reducing equivalents (NADPH) for lipogenesis is (A) Pentose phosphate pathway (B) Citric acid cycle (C) Glycolysis (D) Glycogenolysis
Description : The most important source of reducing equivalents for FA synthesis on the liver is (A) Glycolysis (B) HMP-Shunt (C) TCA cycle (D) Uronic acid pathway
Description : Proteins produce polypeptides from proteins by (A) Oxidizing (B) Reducing (C) Hydrolyzing (D) None of these
Description : Which of the followings gives a positive test for Ninhydrin? (A) Reducing sugars (B) Triglycerides (C) Alpha aminoacids (D) Esterified Fats
Description : A tripeptide functioning as an important reducing agent in the tissues is (A) Bradykinin (B) Kallidin (C) Tyrocidin (D) Glutathione
Last Answer : Answer : D
Description : Reducing ability of carbohydrates is due to (A) Carboxyl group (B) Hydroxyl group (C) Enediol formation (D) Ring structure
Last Answer : A
Description : Which of the following is not reducing sugar? (A) Lactose (B) Maltose (C) Sucrose (D) Fructose
Last Answer : C
Description : Which of the following is a reducing sugar? (A) Sucrose (B) Trehalose (C) Isomaltose (D) Agar
Description : Which of the following is a non-reducing sugar? (A) Isomaltose (B) Maltose (C) Lactose (D) Trehalose
Last Answer : D
Description : Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it ?
Last Answer : Due to formation of solvated or Ammoniated electrons
Description : Name reducing disaccharides.
Last Answer : Lactose and maltose.
Description : Glucose and fructose are reducing sugars, but sucrose (containing glucose and fructose) is a non-reducing sugar, why?
Last Answer : Because the glycosidic linkage in sucrose involves 1st carbon of glucose and 2nd carbon of fructose, so both reducing groups are masked.
Description : Keto group is non-reducing, but fructose reduces Benedictís solution, what is the cause for this anomaly?
Last Answer : In alkaline medium, ketone group is converted to aldehyde, through enediol formation.
Description : Name a few reducing sugars.
Last Answer : Glucose, fructose, mannose.
Description : Osmotically active substances in plasma are (A) Sodium (B) Chloride (C) Proteins (D) All of these
Description : Urinary 17 ketosteroids (A) Are not found in women (B) Reflect the total production of androgenic substances (C) Indicate the total production of sex hormone (D) Are highly active androgens
Description : All of the following substances have been used to estimate GFR except (A) Inulin (B) Creatinine (C) Phenol red (D) Mannitol FATS AND FATTY ACID METABOLISM 105
Description : Proteinous substances which catalyze biochemical reactions are known as (A) Activators (B) Catalysts (C) Enzymes (D) Hormones
Description : Non-protein nitrogenous substances in blood are raised in (A) Starvation (B) Liver damage (C) Renal failure (D) All of these
Description : Non-protein nitrogenous substances in blood include all of the following except (A) Urea (B) Uric acid (C) Creatinine (D) Inositol
Description : Blood group substances consist of (A) Lactose (B) Maltose (C) Fructose (D) Mucose
Description : The carbohydrate of the blood group substances is (A) Sucrose (B) Fucose (C) Arabinose (D) Maltose
Last Answer : B
Description : The fo l low ing substances are ce l l inclusions except (A) Melanin (B) Glycogen (C) Lipids (D) Centrosome
Description : What are the important substances derived from PUFA?
Last Answer : Prostaglandins, prostacycline, thromboxanes, leukotienes, HPETE.
Description : What are the substances derived from cholesterol?
Last Answer : Glucocorticoids, mineralocorticoids, testosterone, estrogen, bile acids.
Description : HMGCoA is directly converted into what substances?
Last Answer : Acetoacetate, acetyl CoA, mevalonate.
Description : What substances will prevent fatty liver?
Last Answer : Choline, methionine, lecithin.
Description : Succinyl CoA is generated from which substances?
Last Answer : Odd chain fatty acids, propionic acid, valine, isoleucine, threonine.
Last Answer : (B) Fucose
Description : The average of pH of urine is (A) 5.6 (B) 6.0 (C) 6.4 (D) 7.0
Description : During compensation of respiratory alkalosis, all the following changes occur except (A) Decreased secretion of hydrogen ions by renal tubules (B) Increased excretion of sodium in urine (C) Increased excretion of bicarbonate in urine (D) Increased excretion of ammonia in urine
Description : Urine examination in secondary dehydration shows (A) Ketonuria (B) Low specific gravity (C) High specific gravity (D) Albuminuria
Description : Urine bases with methyl substituents occurring in plants are (A) Caffeine (B) Theophylline (C) Theobromine (D) All of these
Description : Maple syrup urine disease results from absence or serve deficiency of (A) Homogentisate oxidase (B) Phenylalanine hydroxylase (C) Branched chain amino acid transaminase (D) None of these
Description : All of the following occur in orotic aciduria except (A) Increased synthesis of pyrimidine nucleotides (B) Increased excretion of orotic acid in urine (C) Decreased synthesis of cytidine triphosphate (D) Retardation of growth
Description : All of the following statements about uric acid are true except (A) It can be formed from allantoin (B) Formation of uric acid stones in kidneys can be decreased by alkalinisation of urine (C) Uric acid begins to dissociate at pH above 5.8 (D) It is present in plasma mainly as monosodium urate
Description : In pheochromocytoma, urine will have (A) FILGU (B) VMA (C) 5 HIAA (D) Lysine and Arginine