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Sickling of RBC in sickle-cell anemia is due to polymerization of
Biochemistry Pharmacist Competitive Exams
Q. Sickling of RBC in sickle-cell anemia is due to polymerization of
Ans → Deoxyhemoglobin,
Explanation →
This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On HEMOGLOBIN AND PORPHYRINS - attemp/practice
More oneliners in - Biochemistry Important One Liners Questions On HEMOGLOBIN AND PORPHYRINS
Q. The oxidation of ferrous (Fe2+) iron to ferric (Fe3+) iron in hemoglobin results in the formation of a compound namely
Ans → Methemoglobin
Explanation →
Q. Name the compound that is increased in RBC of anemic patients to facilitate the supply of O2 to the tissues
Ans → 2,3-Bisphosphoglycerate
Explanation →
Q. Sickling of RBC in sickle-cell anemia is due to polymerization of
Ans → Deoxyhemoglobin,
Explanation →
Q. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as
Ans → Thalassemias
Explanation →
Q. The intermediate of citric acid cycle that is involved in heme synthesis
Ans → Succinyl CoA
Explanation →
Q. The enzyme defect in acute intermittent porphyria
Ans → Uroporphyrinogen synthase I
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. The compound that facilitates the release of O2 from oxyhemoglobin
Ans → C1– , H+ , 2, 3-BPG
Explanation →
Q. Name the amino acid that directly participates in the synthesis of heme
Ans → Glycine
Explanation →
More one-liners in - Biochemistry
Q. Name the adaptive immunity mediated by antibodies produced by B cells
Ans → humoral immunity
Explanation →
Q. A highly infectious zoonotic disease caused by Coxiella burnetii that farmers can contract from their animals by inhalation
Ans → Q fever
Explanation →
Q. The disease characterized by impairment in the absorption of neutral amino acids
Ans → Hartnup’s disease
Explanation →
Q. The following anticoagulant binds with Ca2+ and prevents blood clotting
Ans → Oxalate
Explanation →
Q. Large macromolecules composed of many similar (sometimes identical) smaller molecules, or monomers, linked together.
Ans → Polymers
Explanation →
Q. the process of improving the octane number of straight-run gasoline by increasing the proportion of aromatic and branched chain alkanes.
Ans → catalytic reforming
Explanation →
Q. When a compound is changed into water, heat, and CO2 as a result of combining with oxygen.
Ans → combustion
Explanation →
Q. A polymer assembled from of individual units, monomers, that bind together like building blocks
Ans → macromolecule
Explanation →
Q. Electronegativity is a measure of the attraction an atom has for electrons.
Ans → Electronegativity
Explanation →
Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
Explanation →
Q. The process by which DNA from one organism is cut and new pieces of foreign DNA from a second organism are inserted,
Ans → recombinant DNA technology
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. A a pair of isomers which are related as mirror images of one another.
Ans → enantiomers
Explanation →
Q. The shorter identical peptide chains of an antibody molecule (two per antibody monomer), composed of variable and constant region segments
Ans → light chains
Explanation →
Q. A simple spherical arrangement of amphipathic lipid molecules with nonpolar tails aggregated within the interior and polar heads forming the outer surface
Ans → micelle
Explanation →
Q. The time it takes for a decaying radioactive substance to be reduced by half.
Ans → half–life
Explanation →
Q. Sickling of RBC in sickle-cell anemia is due to polymerization of
Ans → Deoxyhemoglobin,
Explanation →
Q. The inorganic element found in the structure of majority of high-energy compounds
Ans → Phosphorus
Explanation →
Q. The name of the protein that has been identified to serve as a primer for glycogen synthesis is
Ans → Glycogenin
Explanation →
Q. The backbone of nucleic acid structure is constructed by
Ans → Phosphodiester bridges
Explanation →
Q. The intermediate of citric acid cycle that is involved in heme synthesis
Ans → Succinyl CoA
Explanation →
Q. Insertion or grafting of a biological, living, inert, or radioactive material into the body.
Ans → implantation
Explanation →
Q. Vaccine composed of whole pathogen cells or viruses that have been killed or inactivated through treatment with heat, radiation, or chemicals
Ans → inactivated vaccine
Explanation →
Q. A known volumes are vacuum filtered aseptically through a membrane with a pore size small enough to trap microorganisms, which are counted after growth on plates
Ans → membrane filtration technique
Explanation →