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Gastric HCl is secreted by
Biochemistry Pharmacist Competitive Exams
Q. Gastric HCl is secreted by
Ans → Parietal (oxyntic) cells
Explanation →
This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On digestion and absorption - attemp/practice
More oneliners in - Biochemistry Important One Liners Questions On digestion and absorption
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. The most important carbohydrate associated with flatulence caused by ingestion of leguminous seeds
Ans → Raffinose
Explanation →
Q. Lactose intolerance is caused by the deficiency of the enzyme
Ans → Lactase (β-galactosidase)
Explanation →
Q. Name of the peptide believed to be involved in the transport of amino acids
Ans → Glutathione
Explanation →
Q. The disease characterized by impairment in the absorption of neutral amino acids
Ans → Hartnup’s disease
Explanation →
Q. Trypsin hydrolyses peptide bonds, the carbonyl group of which is contributed by the amino acids
Ans → Arginine and lysine
Explanation →
Q. The inhibition of the enzyme pancreatic lipase by bile salts is overcome by a protein, namely
Ans → Colipase
Explanation →
Q. The vehicles for the transport of lipids from the intestinal lumen to the membrane of mucosal cells
Ans → Mixed micelles
Explanation →
Q. Transport of glucose from the lumen to the intestinal mucosal cells is coupled with diffusion of
Ans → Enteropeptidase
Explanation →
Q. The products obtained by the action of pancreatic lipase on triacylglycerols are
Ans → 2-Acylglycerol and free fatty acids
Explanation →
Q. The lipoproteins synthesized in the intestinal mucosal cells from the absorbed lipids are
Ans → Chylomicrons
Explanation →
Q. Salivary -amylase becomes inactive in the stomach primarily due to
Ans → Inactivation by low pH
Explanation →
More one-liners in - Biochemistry
Q. Larger nucleus in ciliate protists that have two nuclei; polyploid with a reduced genome of metabolic genes and derived from the micronucleus
Ans → macronucleus
Explanation →
Q. Which bond is formed between the negatively charged phosphate groups that holds a lot of potential energy
Ans → high-energy phosphate bond
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. Powder particles, which have been aggregated to form larger irregular particles, usually of 0.5–2 mm diameter.
Ans → granules
Explanation →
Q. Relative amount of the administered dose of a drug that reaches systemic circulation from a certain dosage form in comparison to the amount that reaches the systemic circulation by iv administration
Ans → bioavailability
Explanation →
Q. Name the amino acid that directly participates in the synthesis of heme
Ans → Glycine
Explanation →
Q. Lactose intolerance is caused by the deficiency of the enzyme
Ans → Lactase (β-galactosidase)
Explanation →
Q. The nitrogen atoms in the purine ring are obtained from
Ans → Glycine , Glutamine , Aspartate
Explanation →
Q. a chemical reaction in which two species (e.g. molecules, ions or radicals) react together to form new chemical species.
Ans → bimolecular reaction
Explanation →
Q. When a compound is changed into water, heat, and CO2 as a result of combining with oxygen.
Ans → combustion
Explanation →
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
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. Hypercholesterolemia is observed in the disorder(s)
Ans → Hypothyroidism, Diabetes mellitus, Nephrotic syndrome
Explanation →
Q. A technique that uses a fluorescence microscope and antibody-specific fluorochromes to determine the presence of specific pathogens in a specimen
Ans → immunofluorescence
Explanation →
Q. Name the class of T cells that is the central orchestrator of the cellular and humoral defenses of adaptive immunity and the cellular defenses of innate immunity
Ans → helper T cells
Explanation →
Q. Name a common STI of the reproductive system caused by Neisseria gonorrhoeae
Ans → gonorrhea
Explanation →
Q. The joint effect of two or more drugs such that the combined effect is less than the sum of the effects produced by each agent separately.
Ans → Antagonism
Explanation →
Q. A Formulated preparation of molecules/drugs that are rarely if ever suitable for administration to patients without additives.
Ans → dosage form
Explanation →
Q. The glycosidic bonds at the branching points in the structure of starch are
Ans → 1,6- glycosidic bond
Explanation →
Q. A group of genes with related functions often found clustered together within the prokaryotic chromosome and transcribed under the control of a single promoter and operator repression sequence
Ans → operon
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. The amino acids required for the synthesis of purines and pyrimidines are
Ans → Glutamine and aspartate
Explanation →
Q. A negative sign of free energy indicates that the reaction is
Ans → Exergonic or spontaneous
Explanation →
Q. The process by which proteins lose their 3-D (tertiary and secondary) structure by application of an external stress, most often heat.
Ans → Denatured
Explanation →
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 →