Description : What enzyme is involved with fruit abscission? -Biology
Last Answer : answer:
Description : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-
Last Answer : Plant hormones, which responses to wounds and stresses of biotic & abiotic origin & are also involved in dormancy & abscission, are-
Description : Abscission in fruit occur due to: a. Excessive abscissic acid b. Excessive Ghrtamic acid c. Excessive Lactic acid d. Excessive Citric acid
Last Answer : Excessive abscissic acid
Description : Where is the abscission layer? -Biology
Description : When does abscission occur? -Biology
Description : What is leaf abscission? -Biology
Description : What plant hormone inhibits abscission? -Biology
Description : Name the hormone which regulate abscission and dormancy.
Last Answer : Name the hormone which regulate abscission and dormancy.
Description : Abscission layer developed during leaf fall is made of: (a) Cork cells (b) Sclerenchymatous cells (c) Sclerenchymatous cells (d) Parenchymatous cells
Last Answer : Ans. ((d))
Description : A plant hormone, which is primary regulator of abscission process is (a) Ethylene (b) Auxin (c) ABA (d) Gibberellins
Last Answer : (c) ABA
Description : Cytokinins (a) promote abscission (b) influence water movement (c) help retain chlorophyll (d) inhibit protoplasmic streaming.
Last Answer : (c) help retain chlorophyll
Description : Enzyme involved in carboxylation in C3 cycle is -Biology
Description : Enzyme involved in carboxylation in C4 cycle is? -Biology
Last Answer : In C4 plants the initial carboxylation is catalyzed by PEP carboxylase (orthophos- phate: oxaloacetate carboxylase phosphorylating - E. C. 4.1. 1.
Description : Name the given reaction and enzyme involved in it `underset("Amino donor")(R_(1)-underset(NH_(3)^(+))underset(|)overset(H)overset(|)(C)-COO^(-)+unders
Last Answer : Name the given reaction and enzyme involved in it `underset("Amino donor")(R_(1)-underset(NH_(3)^(+)) ... underset(|)overset(H)overset(|)(C)-COO^(-)`
Description : Name the given reaction and enzyme involved in it. `alpha`-etoglutaric acid `+NH_(4)^(+)+NADPH overset("Enzyme")to"glutamate"+H_(2)O+NADP`
Last Answer : Name the given reaction and enzyme involved in it. `alpha`-etoglutaric acid `+NH_(4)^(+)+NADPH overset("Enzyme")to"glutamate"+H_(2)O+NADP`
Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA
Last Answer : Answer : B
Description : An enzyme involved in catabolism of catecholamines is (A) Dopa decarboxylase (B) Aromatic amino acid decarboxylase (C) Monoamine oxidase (D) Catechol oxidas
Last Answer : Answer : C
Description : The enzyme involved in variegate porphyria is (A) Protoporphyrinogen oxidase (B) Coproporphyrinogen oxidase (C) Uroporphyrinogen decarboxylase (D) ALA decarboxylase
Last Answer : Answer : A
Description : The enzyme involved in congenial erythropoietic porphyria is (A) Uroporphyrinogen I synthase (B) Uroporphyrinogen III cosynthase (C) Protoporphyrinogen oxidase (D) Ferrochelatase
Description : The enzyme involved in essential pentosuria is (A) Reductase (B) Hydroxylase (C) Isomerase (D) Racemase
Description : An enzyme involved in gluconeogenesis is (A) Pyruvate kinase (B) Pyruvate carboxylase (C) Hexokinase (D) Phosphohexose isomerase
Description : Hemolytic anemia is caused by the deficiency of certain enzymes of the pentose phosphate pathway, the principal enzyme involved is (A) Glucose-6-phosphate dehydrogenase (B) Aldolase (C) Fructose 1, 6-bisphosphatase (D) Phosphohexose isomerase
Description : Enzyme involved in joining together two substrates is (A) Glutamine synthetase (B) Aldolase (C) Gunaine deaminase (D) Arginase
Description : Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme: (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase
Description : Which co-enzyme is not involved in oxidative decarboxylation of pyruvic acid? (A) TPP (B) Mg++ (C) Biotin (D) CoA-SH
Description : Pasteur effect is (A) Inhibition of glycolysis (B) Oxygen is involved (C) Inhibition of enzyme phosphofructokinase (D) All of these
Last Answer : D
Description : Which of the following enzyme is not involved in HMP shunt? (A) Glyceraldehyde-3-p dehydrogenase (B) Glucose-6-p-dehydrogenase (C) Transketolase (D) Phosphogluconate dehydrogenase
Last Answer : A
Description : Which of the following is not an enzyme involved in glycolysis? (A) Euolase (B) Aldolose (C) Hexokinase (D) Glucose oxidase
Description : The most important enzyme involved in photosynthetic CO2 fixation in C4 plants
Last Answer : Ans. PEP carboxylase
Description : The most important enzyme involved in photosynthetic CO2 fixation in C3 plants
Last Answer : Ans. Rubisco
Description : The enzyme involved in biological nitrogen fixation
Last Answer : Ans. Nitrogenase
Description : Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.
Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases
Description : Following enzyme is involved in the synthesis of actylcholine (a) Choline acetyl transferase (b) Acetyl cholinesterase (c) Both (a) and (b) (d) None of the above
Last Answer : Ans: A
Description : How does the pancreatic juice help the digestion of lipids? What is the involved enzyme?
Last Answer : The enzyme pancreatic lipase is present in the pancreatic juice. This enzyme breaks triacylglycerol (triglyceride) into fatty acids and glycerol.
Description : How does the pancreatic juice resume the digestion of carbohydrates? What is the involved enzyme?
Last Answer : Carbohydrate digestion begins with the action of the salivary amylase (ptyalin) in the mouth and it continues in the duodenum by the action of the pancreatic juice. This juice contains the enzyme ... amylopsin, that breaks starch (amylum) into maltose (a disaccharide made of two glucose molecules).
Description : What enzyme is involved in lipolysis?
Last Answer : By hormone sensitive lipase.
Description : Which one of the following statements about cytochrome P450 is wrong? (a) It is a coloured cell. (b) It is an enzyme involved in oxidation reactions. (c) It has an important role in metabolism. (d) It contains iron
Last Answer : (a) It is a coloured cell.
Description : Vitamin K is involved in posttranslational modification of the blood clotting factors by acting as cofactor for the enzyme (A) Carboxylase (B) Decarboxylase (C) Hydroxylase (D) Oxidase
Last Answer : (A) Carboxylase
Description : The enzyme contains in pineapple fruit
Last Answer : Ans. Bromelin