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The cofactor required by the enzyme ribonucleotide reductase is
Biochemistry Pharmacist Competitive Exams
Q. The cofactor required by the enzyme ribonucleotide reductase is
Ans → Thioredoxin
Explanation →
This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On METABOLISM OF Nucleotides oneliners - attemp/practice
More oneliners in - Biochemistry Important One Liners Questions On METABOLISM OF Nucleotides oneliners
Q. The amino acids required for the synthesis of purines and pyrimidines are
Ans → Glutamine and aspartate
Explanation →
Q. The disorder in which the patients have an irresistible urge to bite their fingers and lips is
Ans → Lesch-Nyhan syndrome
Explanation →
Q. The ‘parent’ nucleotide synthesized in the biosynthesis of purines is
Ans → Inosine monophosphate
Explanation →
Q. The amino acid that contributes to the synthesis of more than half of the pyrimidine ring
Ans → Aspartate
Explanation →
Q. The regulatory enzyme in the pyrimidine biosynthesis in animals is
Ans → Carbamoyl phosphate synthetase II
Explanation →
Q. Name the enzyme associated with hyperuricemia
Ans → PRPP synthetase, HGPRT , Glucose 6-phosphatase
Explanation →
Q. An enzyme of purine metabolism associated with immunodeficiency disease
Ans → Adenosine deaminase
Explanation →
Q. The nitrogen atoms in the purine ring are obtained from
Ans → Glycine , Glutamine , Aspartate
Explanation →
More one-liners in - Biochemistry
Q. The first stage of acute disease, during which the pathogen begins multiplying in the host and signs and symptoms are not observable
Ans → incubation period
Explanation →
Q. Cytokines released by cells that have been infected with a virus; stimulate antiviral responses in nearby cells as well as the cells secreting the interferons
Ans → interferons
Explanation →
Q. The bonds in protein structure that are not broken on denaturation.
Ans → Peptide bonds
Explanation →
Q. Exploratory activity that begins early in pharmaceutics, involving studies designed to determine the compatibility of excipients with the active substance for a biopharmaceutical; physicochemical and bioanalytical investigation
Ans → preformulation
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. The immunoglobulin that can cross the placenta and transfer the mother’s immunity to the developing fetus
Ans → IgG
Explanation →
Q. The electrons of an atom that are highest in energy and in the outermost orbitals.
Ans → Valence Electrons
Explanation →
Q. Dosage form, semi-solid, used for the administration of drugs via the rectal route, for systemic or local effect.
Ans →
Explanation →
Q. The difference between plasma and serum is the presence or absence of
Ans → Fibrinogen
Explanation →
Q. The isomerism associated with unsaturated fatty acids
Ans → Geometric isomerism (cis-trans isomerism)
Explanation →
Q. The element involved in the protection of cells against the damage of H2O2 and other free radicals
Ans → Selenium
Explanation →
Q. A bond where elections are equally shared between two atoms.
Ans → nonpolar covalent bond
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 →
Q. Name the graph modeling the number of cells in a culture over time
Ans → growth curve
Explanation →
Q. Yellowish color of the skin and mucous membranes caused by excessive bilirubin caused by a failure of the liver to effectively process the breakdown of hemoglobin
Ans → jaundice
Explanation →
Q. DNA-binding proteins found in eukaryotes and archaea that aid in orderly packaging of chromosomal DNA
Ans → histones
Explanation →
Q. A glycoprotein expressed only on the surface of antigen-presenting cells and involved in the presentation of foreign antigens from pathogens ingested by phagocytosis
Ans → MHC II molecule
Explanation →
Q. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue
Ans → hyaluronidase
Explanation →
Q. The inhibition of the enzyme pancreatic lipase by bile salts is overcome by a protein, namely
Ans → Colipase
Explanation →
Q. N-Acetylglutamate is required for the activation of the enzyme
Ans → Carbamoyl phosphate synthase I
Explanation →
Q. The element involved in the protection of cells against the damage of H2O2 and other free radicals
Ans → Selenium
Explanation →
Q. The compound that facilitates the release of O2 from oxyhemoglobin
Ans → C1– , H+ , 2, 3-BPG
Explanation →
Q. Small red or purple spots on the skin that result from blood leaking out of damaged vessels
Ans → petechiae
Explanation →
Q. The lipids that possess both hydrophobic (non -polar) and hydrophilic (polar) groups are known as
Ans → amphipathic
Explanation →
Q. Name the enzyme that unwinds DNA by breaking the hydrogen bonds between the nitrogenous base pairs, using ATP
Ans → helicase
Explanation →
Q. A more negative redox potential represents a greater tendency to lose
Ans → Electrons
Explanation →
Q. The compound that facilitates the release of O2 from oxyhemoglobin
Ans → C1– , H+ , 2, 3-BPG
Explanation →
Q. Antihelminthic drug of the benzimidazole class that binds to helminthic β-tubulin, preventing microtubule formation
Ans → mebendazole
Explanation →