Description : Respiratory pigment Fe containing but red in colour `:-`
Last Answer : Respiratory pigment Fe containing but red in colour `:-` A. Haemocyanin (Molluscas) B. Haemoglobin ... ) C. Chlorocruorin (Some annelids) D. None
Description : The activity of mammalian L-amino acid oxidase, an FMN – flavo protein, is quite (A) Slow (B) Rapid (C) Both (A) and (B) (D) None of these
Last Answer : Answer : A
Description : Chlorophyll is porphyrin containing - (1) magnesium (2) iron (3) calcium (4) (4) tin
Last Answer : (1) magnesium Explanation: Chlorophyll are greenish pigment which contain a porphyrin ring. This is a stable ring-shaped molecule around which electrons are free to migrate. Magnesium is central atom in porphyrin structure of chlorophyll.
Description : The pigment involved in photo morphogenetic movements is: (a) Cytochrome (b) Phytochrome (c) Chromatin (d) Vernalin
Last Answer : Ans. ((b))
Description : A pigment which absorbs red and far-red light is (a) cytochrome (b) xanthophyll (c) phytochrome (d) carotene.
Last Answer : (c) phytochrome
Description : Which pigment absorbs the red and far-red light? (a) Cytochrome (b) Phytochrome (c) Carotenoids (d) Chlorophyll
Last Answer : (b) Phytochrome
Description : Mineral associated with cytochrome is (a) Cu (b) Mg (c) Cu and Mg (d) Fe.
Last Answer : (d) Fe.
Description : The mode of action of thiocarbonates is a). Lipid inhibitor b). Cell membrane dispruption c). Pigment inhibitor d). Shoot inhibitor
Last Answer : d). Shoot inhibitor
Description : What is the mode of action of sulfonamide herbicide a). Amino acid synthesis inhibitor b). Photosynthesis inhibitor c). Lipid inhibitor d). Pigment inhibitor
Last Answer : a). Amino acid synthesis inhibitor
Description : A copper containing cytochrome is (A) Cytochrome a (B) Cytochrome P-450 (C) Cytochrome a3 (D) None of these
Last Answer : Answer : C
Description : The iron containing nonporphyrin is (A) Hemosiderin (B) Catalase (C) Cytochrome C (D) Peroxidase
Description : A copper containing oxidase is (A) Cytochrome oxidase (B) Flavin mononucleotide (C) Flavin adenine dinucleotide (D) Xanthine oxidase
Description : A molybdenum containing oxidase is (A) Cytochrome oxidase (B) Xanthine oxidase (C) Glucose oxidase (D) L-Amino acid oxidase
Last Answer : Answer : B
Description : All of the following are iron-containing enzymes except (A) Carbonic anhydrase (B) Catalase (C) Peroxidase (D) Cytochrome oxidase
Description : TSH hormone biochemically is a (A) Protein (B) Fat (C) Glycoprotein (D) Carbohydrate 232 MCQs IN BIOCHEMISTRY
Description : Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein
Description : Extrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein
Description : Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-Proteins (D) Sigma protein
Description : Extrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-Proteins (D) Sigma protein VITAMINS 127
Description : Intrinsic factor is chemically a (A) Protein (B) Glycoprotein (C) Mucopolysaccaride (D) Peptide
Description : Lecithins combine with protein to form (A) Phosphoprotein (B) Mucoprotein (C) Lipoprotein (D) Glycoprotein
Description : Casein, the milk protein is (A) Nucleoprotein (B) Chromoprotein (C) Phosphoprotein (D) Glycoprotein
Description : Which of the following is an example of conjugated protein? (1) Albumin (2) Globulin (3) Glutelin (4) Glycoprotein
Last Answer : (4) Glycoprotein Explanation: A conjugated protein is a protein that functions in interaction with other (nonpolypeptide) chemical groups attached by covalent bonding or weak interactions.
Description : Glycogen is the major storage form of B A. Carbohydrate B. Protein C. Lipids D. Glycoprotein
Last Answer : Protein
Description : A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin
Last Answer : Answer : D
Description : Cu containing respiratory pigment is `:`
Last Answer : Cu containing respiratory pigment is `:` A. Haemoglobin B. Haemocyanin C. Chlorocruorin D. All the above
Description : Pigment-containing membranous extensions in some cyanobacteria are
Last Answer : Pigment-containing membranous extensions in some cyanobacteria are A. Heterocysts B. Basal bodies C. Pneumatophores D. Chromatopores
Description : Copper containing respiratory pigment in blood of molluscs.
Last Answer : Give one word for the following: Copper containing respiratory pigment in blood of molluscs.
Description : Pigment containing membranous extensions in some cyanobacteria are (a) pneumatophores (b) chromatophores (c) heterocysts (d) basal bodies
Last Answer : b) chromatophores
Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.
Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.
Description : In photosystem I, the first electron acceptor is (a) an iron-sulphur protein (b) ferredoxin (c) cytochrome (d) plastocyanin.
Last Answer : (a) an iron-sulphur protein
Description : The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is (a) iron-sulphur protein(b) ferredoxin (c) quinone (d) cytochrome.
Last Answer : (c) quinone
Description : Which of the following coenzyme is required for porphyrin synthesis? (A) Coenzyme A (B) Pyridoxal phosphate (C) Both (A) and (B) (D) None of these
Description : An amino acid required for porphyrin synthesis is (A) Proline (B) Glycine (C) Serine (D) Histidine
Description : The porphyrin present in haem is (A) Uroporphyrin (B) Protoporphyrin I (C) Coproporphyrin (D) Protoporphyrin II
Description : The number of molecules of porphobilinogen required for the formation of a tetrapyrrole i.e., a porphyrin is (A) 1 (B) 2 (C) 3 (D) 4
Description : In mammalian liver the rate controlling enzyme in porphyrin biosynthesis is (A) ALA synthase (B) ALA hydratase (C) Uroporphyrinogen I synthase (D) Uroporphyrinogen III cosynthase
Description : Porphyrin synthesis is inhibited in (A) Mercury poisoning (B) Lead poisoning (C) Manganese poisoning (D) Barium poisoning
Description : Which element is located at the centre of the porphyrin ring in chlorophyll? (a) Calcium (b) Magnesium (c) Potassium (d) Manganese
Last Answer : (b) Magnesium
Description : The Fe containing pigments is (A) Haematoidin (B) Bilirubin (C) Hemasiderin (D) Urobilinogen
Description : Ratio of protein and lipid in the membrane of erythrocytes of human being is :-
Last Answer : Ratio of protein and lipid in the membrane of erythrocytes of human being is :- A. 1.8 B. 1.3 C. 0.8 D. 0.6
Description : Humans most easily tolerate a lack of the nutrient: (A) Protein (B) Lipid (C) Iodine (D) Carbohydrate
Description : An enzyme is a (A) Carbohydrate (B) Lipid (C) Protein (D) Nucleic acid ENZYMES 171
Description : Humans most easily tolerate a lack of which of the following nutrients? (A) Protein (B) Iodine (C) Carbohydrate (D) Lipid
Description : Michaelis – Menten equation is used to explain the effect of substrate concentration on (A) Carbohydrate (B) Enzyme (C) Lipid (D) Protein
Description : The building up and breaking down of protoplasm are concerned with the metabolism of (A) Carbohydrate (B) Lipid (C) Protein (D) Minerals
Description : The cell wall of both bacteria and cyanobactena contains: (a) Lipid (b) Pectin (c) Protein (d) muramic acid
Last Answer : Ans. ((d))
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood