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The branched chain amino acid that is only ketogenic is
Biochemistry Pharmacist Competitive Exams
Q. The branched chain amino acid that is only ketogenic is
Ans → Leucine
Explanation →
This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On METABOLISM OF AMINO ACIDS oneliners - attemp/practice
More oneliners in - Biochemistry Important One Liners Questions On METABOLISM OF AMINO ACIDS oneliners
Q. The coenzyme that participates in transamination reactions is
Ans → Pyridoxal phosphate
Explanation →
Q. The most important enzyme involved in oxidative deamination is
Ans → Glutamate dehydrogenase
Explanation →
Q. N-Acetylglutamate is required for the activation of the enzyme
Ans → Carbamoyl phosphate synthase I
Explanation →
Q. The cofactor required for the conversion of phenylalanine to tyrosine is
Ans → Tetrahydrobiopterin
Explanation →
Q. The disease in which very high amount of tryptophan (nearly 60%) is converted to serotonin is
Ans → Malignant carcinoid syndrome
Explanation →
Q. The mammalian enzyme with the shortest half-life (about 10 minutes) is
Ans → Ornithine decarboxylase
Explanation →
Q. The amino acid required for the formation of glutathione
Ans → Glycine, Cysteine, Glutamate
Explanation →
Q. The amino acids are said to be ketogenic when the carbon skeleton is finally degraded to
Ans → Acetyl CoA
Explanation →
More one-liners in - Biochemistry
Q. Name the amino acid that directly participates in the synthesis of heme
Ans → Glycine
Explanation →
Q. The glycosaminoglycan that serves as a lubricant and shock absorbant of joints
Ans → Hyaluronic acid
Explanation →
Q. A chemical formula where electrons are represented with dots. Covalent bonds are represented with a line connecting two atoms—the line represents two electrons.
Ans → Lewis Structure
Explanation →
Q. Name the compound with the greatest standard free energy.
Ans → Phosphoenolpyruvate
Explanation →
Q. The phenomenon of disorganization of native protein structure is known as
Ans → Denaturation
Explanation →
Q. A more negative redox potential represents a greater tendency to lose
Ans → Electrons
Explanation →
Q. In recent years, a non-protein compound has been identified to bring about catalysis in biological system. The name of the compound is
Ans → RNA
Explanation →
Q. The regulatory enzyme in the pyrimidine biosynthesis in animals is
Ans → Carbamoyl phosphate synthetase II
Explanation →
Q. Which are the organic substances relatively insoluble in water, soluble in organic solvents (alcohol, ether).
Ans → Lipids
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
Q. An aromatic molecule or ion possesses aromaticity. Aromaticity is the special property of planar (or nearly planar) cyclic, conjugated systems having (4n+2) conjugated pi electrons.
Ans → aromatic
Explanation →
Q. The base pair G-C is more stable and stronger than A-T due to
Ans → 3 Hydrogen bonds
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →
Q. The relation between the change of free energy (G), enthalpy (H) and entropy (S) is expressed by the equation
Ans → ΔG = ΔH – TΔS (T = Absolute temperature)
Explanation →
Q. Name the hyperthyroidism caused by an autoimmune disease affecting thyroid function
Ans → Graves disease
Explanation →
Q. Measure of the fraction of a given drug that is absorbed intact into the systemic circulation from a dosage form, relative to a recognized, clinically proven, standard dosage form of that drug.
Ans → relative bioavailability
Explanation →
Q. The difference between plasma and serum is the presence or absence of
Ans → Fibrinogen
Explanation →
Q. The determination of the potency of a physical, chemical or biological agent, by means of a biological indicator
Ans → Biological Assay
Explanation →
Q. Sickling of RBC in sickle-cell anemia is due to polymerization of
Ans → Deoxyhemoglobin,
Explanation →
Q. Small number of cells added to medium to start a culture is commonly called
Ans → inoculum
Explanation →
Q. Emulsions in which the dispersed droplets are in the micron-size range.
Ans → microemulsions
Explanation →
Q. A Solid spherical particles of micron-size range, used as matrix dosage forms.
Ans → microsphere
Explanation →
Q. Examples of two enzymes containing zinc are
Ans → Alcohol dehydrogenase, carbonic anhydrase
Explanation →
Q. The vehicles for the transport of lipids from the intestinal lumen to the membrane of mucosal cells
Ans → Mixed micelles
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
Explanation →