Description : Galactose 1-phosphate is converted to uridine diphosphate galactose, the reaction is catalysed by the enzyme: (A) Glactokinase (B) Galactose 1-phosphate uridyl transferase (C) Uridine diphospho galactose 4-epimerase (D) UDP glucose pyrophosphorylase
Last Answer : Answer : B
Description : Which of the following is an epimeric pair? (A) Glucose and fructose (B) Glucose and galactose (C) Galactose and mannose (D) Lactose and maltose
Last Answer : B
Description : A carbohydrate found only in milk is (A) Glucose (B) Galactose (C) Lactose (D) Maltose
Last Answer : C
Description : The sugar found in milk is (A) Galactose (B) Glucose (C) Fructose (D) Lactose
Last Answer : D
Description : UDP and UTP are formed by phosphorylation from (A) AMP (B) ADP (C) ATP (D) GTP
Last Answer : Answer : C
Description : G-proteins have a nucleotide binding site for (A) ADP/ATP (B) GDP/GTP (C) CDP/CTP (D) UDP/UTP
Description : Which of the following is required as inducer(s) for the expression of Lac operon? (a) Lactose (b) Lactose and galactose (c) Glucose (d) Galactose
Last Answer : (c) Glucose
Description : Select the two correct statements out of the four (i - iv) statements given below about lac operon. (i) Glucose or galactose may bind with the repressor and inactivate it. (ii) In the absence of lactose, the repressor binds with the ... (iii) (b) (i) and (iii) (c) (ii) and (iv) (d) (i) and (ii)
Last Answer : (c) (ii) and (iv)
Last Answer : Lactose
Description : Lactose is composed of (a) glucose + galactose (b) fructose + galactose (c) glucose + fructose (d) glucose + glucose.
Last Answer : (a) glucose + galactose
Description : In the reaction below, Nu TP stands for NuTP + glucose → Glucose 6–Phosphate + NuDP. (A) ATP (B) CTP (C) GTP (D) UTP
Last Answer : Answer : A
Description : The best known cause of galactosemia is the deficiency of (A) Galactose 1-phosphate and uridyl transferase (B) Phosphoglucomutase (C) Galactokinase (D) Lactose synthase
Description : UDP Glucuronic acid is required for the biosynthesis of (A) Chondroitin sulphates (B) Glycogen (C) Lactose (D) Starch
Last Answer : A
Description : UDP glucose is converted to UDP glucurronate, a reaction catalysed by UDP glucose dehydrogenase requires (A) NAD+ (B) FAD (C) NADP (D) FMN
Description : The pathway of glycogen biosynthesis involves a special nucleotide of glucose. In the reaction below, NuDP stands for NuDP Glucose + glycogenn → NuDP + glycogenn+1 (A) ADP (B) GDP (C) UDP (D) CDP
Description : An essential agent for converting glucose to glycogen in liver is (A) Latic acid (B) GTP (C) UTP (D) Pyruvic acid
Description : Allosteric activator of glycogen synthase is (A) Glucose (B) Glucose-6-Phosphate (C) UTP (D) Glucose-1-phosphate
Description : An essential for converting Glucose to Glycogen in Liver is (A) Lactic acid (B) GTP (C) CTP (D) UTP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 19
Description : 'Milk Sugar' is – (1) Lactose (2) Maltose (3) Galactose (4) Sucrose
Last Answer : (1) Lactose Explanation: Lactose is a disaccharide sugar that is found most notably in milk and is formed from galactose and glucose. Lactose makes up around 2-8% of milk (by ... applications, both of pure lactose and lactosecontaining dairy by-products, have markedly increased since the 1960s.
Description : A polysaccharide which is synthesized and stored in liver cells is (a) arabinose (b) glycogen (c) lactose (d) galactose.
Last Answer : (b) glycogen
Description : ‘Milk Sugar’ is (1) Lactose (2) Maltose (3) Galactose (4) Sucrose
Description : The following sugar gives energy most readily (1) Lactose (2) Cellulose (3) Maltose (4) Glucose
Last Answer : Glucose
Description : Which of the following is present as a marker in lysosomal enzymes to direct them to their destination? (A) Glucose-6-phosphate (B) Mannose-6-phosphate (C) Galactose-6-phosphate (D) N-Acetyl neuraminic acid
Description : Sodium is involved in the active uptake of (A) D-Glucose (B) D-Galactose (C) L-Amino acids (D) All of these
Last Answer : Answer : D
Description : A substrate for the enzyme aldolase is (A) galactose-6-phosphate (B) isocitric acid (C) Glucose-1-phosphate (D) Fructose 1, 6 diphosphate
Description : Galactose is readily converted to glucose in (A) Liver (B) Intestine (C) Kidney (D) Adipose tissue
Description : Galactose is synthesized from glucose in (A) Mammary gland (B) Intestine (C) Kidney (D) Adipose tissue
Description : In the intestine the rate of absorption is highest for (A) Glucose and galactose (B) Fructose and mannose (C) Fructose and pentose (D) Mannose and pentose
Description : The sugar absorbed by fac i l itated diffusion and requiring Na independent transporter is (A) Glucose (B) Fructose (C) Galactose (D) Ribose
Description : Spermatozoa in seminal fluid utilises the following sugar for metabolism: (A) Galactose (B) Glucose (C) Sucrose (D) Fructose
Description : Selwanof’s test is positive in (A) Glucose (B) Fructose (C) Galactose (D) Mannose
Description : Carbohydrate moiety in cerebrosides is (A) Glucose (B) Sucrose (C) Galactose (D) Maltose
Description : Impaired galactose tolerance test suggests (A) Defect in glucose utilisation (B) Liver cell injury (C) Renal defect (D) Muscle injury
Description : Starch and glycogen are polymers of (A) Fructose (B) Mannose (C) α−D-Glucose (D) Galactose
Description : Epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose
Description : Whcih of the following features are common to monosaccharides? (A) Contain asymmetric centres (B) Are of 2 types – aldoses and ketoses (C) Tend to exist as ring structures in solution (D) Include glucose, galactose and raffinose
Description : Cerebrosides consist of mostly of this sugar: (A) Glucose (B) Fructose (C) Galactose (D) Arabinose
Description : The epimers of glucose is (A) Fructose (B) Galactose (C) Ribose (D) Deoxyribose
Description : Uridine diphosphate glucose (UDPG) is (A) Required for metabolism of galactose (B) Required for synthesis of glucuronic acid (C) A substrate for glycogen synthetase (D) All of the above
Description : The constituent unit of inulin is (A) Glucose (B) Fructose (C) Mannose (D) Galactose
Description : Sucrose consists of (A) Glucose + glucose (B) Glucose + fructose (C) Glucose + galactose (D) Glucose + mannose
Description : The most important epimer of glucose is (A) Galactose (B) Fructose (C) Arabinose (D) Xylose
Description : What is the difference between glucose and galactose?
Last Answer : They are different with regard to the H and OH groups at the 4th carbon atom. Galactose is the 4th epimer of glucose
Last Answer : (A) Galactose
Description : In the synthesis of glycogen from glucose the reversible step is (A) Glucose → glucose 6-phosphate (B) Glucose 6-phosphate → glucose 1-phosphate (C) Glucose 1-phosphate → UDP glucose (D) UDP glucose → glycogen
Description : A substance that is not an intermediate in the formation of D-glucuronic acid from glucose is (A) Glucoss-1-p (B) 6-Phosphogluconate (C) Glucose-6-p (D) UDP-Glucose
Description : UDP-Glucose is converted to UDPGlucuronic acid by (A) ATP (B) GTP (C) NADP+ (D) NAD+
Description : One of the following statement is correct: (A) Glycogen synthase ‘a’ is the phosphorylated (B) cAMP converts glycogen synthase b to ‘a’ (C) Insulin converts glycogen synthase b to a (D) UDP glucose molecules interact and grow into a Glycogen tree
Description : For glycogenesis, Glucose should be converted to (A) Glucuronic acid (B) Pyruvic acid (C) UDP glucose (D) Sorbitol
Description : There can be intolerance with respect to the following sugar: (A) Glucose (B) Lactose (C) Maltose (D) Xylose