Description : The intermediate n hexose monophosphate shunt is (A) D-Ribulose (B) D-Arabinose (C) D-xylose (D) D-Lyxose
Last Answer : A
Description : NADPH required for fatty acid synthesis can come from (A) Hexose monophosphate shunt (B) Oxidative decarboxylation of malate (C) Extramitochondrial oxidation of isocitrate (D) All of these
Last Answer : Answer : D
Description : Dehydrogenase enzymes of the hexose monophosphate shunt are (A) NAD+ specific (B) NADP+ specific (C) FAD specific (D) FMN specific
Last Answer : B
Description : The following enzyme is required for the hexose monophosphate shunt pathway: (A) Glucose-6-phosphatase (B) Phosphorylase (C) Aldolase (D) Glucose-6-phosphate dehydrogenase
Last Answer : D
Description : Which is the key enzyme of hexose monophosphate shunt pathway?
Last Answer : Glucose-6-phosphate dehydrogenase.
Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called- (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect
Last Answer : (4) Warburg effect Explanation: An increase in the oxygen concentration in many plants results in a decrease in the rate of photosynthesis. This phenomenon of the inhibition of photosynthesis by O2 was first ... known to occur in C3 plants (Soyabean) and C4 plants (Sorghum, Maize, Sugarcane), etc.
Description : Inhibition of photosynthesis in the presence of O2 in C3 plants is called : (1) Hexose monophosphate shunt (2) Pasteur effect (3) Decker effect (4) Warburg effect
Last Answer : Warburg effect
Description : The pentose sugar present mainly in the heart muscle is (A) Lyxose (B) Ribose (C) Arabinose (D) Xylose
Last Answer : (A) Lyxose
Description : The hexose monophosphate pathway includes the enzyme: (A) Maltase dehydrogenase (B) Hexokinase (C) α-Ketoglutarate dehydrogenase (D) Glucose-6-phosphate dehydrogenase
Description : Which one of the following metabolites is not directly produced in the hexose monophosphate pathway? (A) Fructose-6-phosphate (B) Dihydroxy acetone phosphate (C) CO2 (D) Erythrose-4-phosphate
Last Answer : Answer : B
Description : The first pentose formed in HMP shunt is (A) Ribose-5-phosphate (B) Ribulose-5-phosphate (C) Xylose-5-phosphate (D)Xylulose-5-phosphate
Description : Xanthosine monophosphate is an intermediate during de novo synthesis of (A) TMP (B) CMP (C) AMP (D) GMP
Description : All the following are ketones except (A) Xylulose (B) Ribolose (C) Erythrose (D) Fructose
Last Answer : Answer : C
Description : The sugar moiety present in DNA is (A) Deoxyribose (B) Ribose (C) Lyxose (D) Ribulose
Last Answer : Answer : A
Description : There can be intolerance with respect to the following sugar: (A) Glucose (B) Lactose (C) Maltose (D) Xylose
Description : Human heart muscle contains (A) D-Arabinose (B) D-Ribose (C) D-Xylose (D) L-Xylose
Last Answer : C
Description : In essential pentosuria, urine contains (A) D-Ribose (B) D-Xylulose (C) L-Xylulose (D) D-Xylose
Description : An L-isomer of monosaccharide formed in human body is (A) L-fructose (B) L-Erythrose (C) L-Xylose (D) L-Xylulose
Description : The sugar found in DNA is (A) Xylose (B) Ribose (C) Deoxyribose (D) Ribulose
Description : The most important epimer of glucose is (A) Galactose (B) Fructose (C) Arabinose (D) Xylose
Last Answer : (C) Deoxyribose
Last Answer : (A) Galactose
Description : All following are naturally occurring nucleotides except (A) Cyclic AMP (B) ATP (C) DNA (D) Inosine monophosphate
Description : During de novo synthesis of pyrimidine nucleotides, the first ring compound to be formed is (A) Carbamoyl aspartic acid (B) Dihydro-orotic acid (C) Orotic acid (D) Orotidine monophosphate
Description : Methotrexate blocks the synthesis of thymidine monophosphate by inhibiting the activity of the enzyme: (A) Dihydrofolate reductase (B) Orotate phosphoribosyl transferase (C) Ribonucleotide reductase (D) Dihydroorotase
Description : Conversion of deoxyuridine monophosphate to thymidine monophosphate is catalysed by the enzyme: (A) Ribonucleotide reductase (B) Thymidylate synthetase (C) CTP synthetase (D) Orotidylic acid decarboxylase
Description : Conversion of inosine monophosphate to xanthine monophosphate is catalysed by (A) IMP dehydrogenase (B) Formyl transferase (C) Xanthine-guanine phosphoribosyl transferase (D) Adenine phosphoribosyl transferase
Description : Which of the following statements is correct? (A) a nucleo protein usually contain deoxy sugars of the hexose type (B) Nucleoproteins are usually absent from the cytoplasm (C) Nucleoproteins usually are present in the nucleus only (D) Nucleoproteins usually occur in the nucleus and cytoplasm
Description : Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2 ... membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane
Description : All the following are constituents of ganglioside molecule except (A) Glycerol (B) Sialic acid (C) Hexose sugar (D) Sphingosine
Description : The carbon dioxide acceptor in Calvin cycle/ C3-plants is (a) phosphoenol pyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).
Last Answer : (b) ribulose 1, 5-diphosphate (RuDP)
Description : The primary acceptor, during CO2 fixation in C3 plants, is (a) phosphoenolpyruvate (PEP) (b) ribulose 1, 5-diphosphate (RuDP) (c) phosphoglyceric acid (PGA) (d) ribulose monophosphate (RMP).
Description : As compared to a `C_(3)` plant, how many additional molecules of ATP are needed for net production of one molecule hexose sugar by `C_(4)` plants
Last Answer : As compared to a `C_(3)` plant, how many additional molecules of ATP are needed for net production of one ... plants A. Two B. Six C. Zero D. Twelve
Description : $ Amyloplasts store food materials in the form of starch grains. ! Chloroplasts synthesis hexose sugars.
Last Answer : $ Amyloplasts store food materials in the form of starch grains. ! Chloroplasts synthesis hexose sugars. A. ... wrong D. If both As and R are wrong.
Description : The sugar present in DNA is – (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose
Last Answer : ( 1) Pentose Explanation: The sugar present in DNA is 2- deoxyribose, which is a pentose
Description : DNA contains - (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar
Last Answer : (1) Pentose sugar Explanation: Deoxyribonucleic Acid contains Pentose sugar.
Description : How many ATP are required to produce 1 mole of hexose in photosynthesis? (a) 8 (b) 18 (c) 28 (d) 38
Last Answer : (b) 18
Description : As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plants? (a) Two (b) Six (c) Twelve (d) Zero
Last Answer : (c) Twelve
Description : What will be the number of Calvin cycles to generate one molecule of hexose? (a) 8 (b) 9 (c) 4 (d) 6
Last Answer : (d) 6
Description : Glucose cannot be classified as (a) a hexose (b) an oligosaccharide (c) an aldose (d) a monosaccharide
Last Answer : an oligosaccharide
Description : Glucose is a type of (1) Pentose sugar (2) Hexose sugar (3) Tetrose sugar (4) Diose sugar
Last Answer : Hexose sugar
Description : DNA contains (1) Pentose sugar (2) Hexose sugar (3) Erythrose sugar (4) Sedoheptulose sugar
Last Answer : Pentose sugar
Description : The sugar present in DNA is (1) Pentose (2) Xylulose (3) Hexose (4) Heptulose
Last Answer : Pentose
Description : Inosine monophophate is an intermediate during the de novo synthesis of (A) AMP and GMP (B) CMP and UMP (C) CMP and TMP (D) All of these
Description : The pyrimidine nucleotide acting as the high energy intermediate is (A) ATP (B) UTP (C) UDPG (D) CMP
Description : A common intermediate in the synthesis of estrogens is (A) Cortisol (B) Andostenedione (C) Corticosterone (D) 11-Deoxycorticosterone
Description : A common intermediate in the synthesis of cortisol and aldosterone is (A) Progesterone (B) Testosterone (C) Estradiol (D) None of these
Description : A common intermediate in the synthesis of all the steroid hormones is (A) Pregnenolone (B) 17-Hydroxypregnenolone (C) Corticosterone (D) Progesterone
Description : All the following statements about proopiomelanocortin are true except (A) It is made up of 285 amino acids (B) It is synthesised in pars intermedia and anterior lobe of pituitary gland ... ) It is the precursor of corticotropin like intermediate lobe peptide and endorphins 218 MCQs IN BIOCHEMISTRY