Description : Name some important disaccharides.
Last Answer : Sucrose, lactose, maltose.
Description : What are disaccharides? Give some examples. -Biology
Last Answer : answer:
Description : Disaccharides contain
Last Answer : Ans. Sucrose, Maltose, Lactose and Cellobiose
Description : The enzymes sucrose acts on – (1) sucrose only (2) sucrose and starch (3) all disaccharides (4) any organic monomer
Last Answer : (1) sucrose only Explanation: Sucrase enzymes are located on the brush border of the small intestine. The enzymes catalyze the hydrolysis of sucrose to its subunits fructose and glucose.
Description : Humans can digest carbohydrates in the form of starch, disaccharides and mono
Last Answer : saccharides.
Description : The enzyme which converts starch into the disaccharides maltose is (A) Diastase (B) Maltase (C) Yeast (D) None of these
Last Answer : (A) Diastase
Description : Proteins are chains of _____ that sometimes function as _____. a. monosaccharaides; energy compounds b. lipids; structural materials c. amino acids; enzymes d. disaccharides; enzymes
Last Answer : c. amino acids; enzymes
Description : Humans cannot digest cellulose because: a) it does not contain sugars b) it is made up of disaccharides c) it is made up of monosaccharides d) humans lack the proper enzymes
Last Answer : ANSWER: D -- HUMANS LACK THE PROPER ENZYMES
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
Last Answer : Answer : A
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 : What is the test for reducing sugars in urine?
Last Answer : Benedictís test.
Description : What are the reducing substances seen in urine?
Last Answer : Glucose, fructose, lactose, galactose, pentoses, ascorbic acid, glucuronides.
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.