Biochemistry Important One Liners Questions On digestion and absorption
This post includes important one-liners from the chapter on digestion and absorption from biochemistry. This post summarises the chapter in short.
Q1. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Answer: β-Glycosidic bonds
Q2. The most important carbohydrate associated with flatulence caused by ingestion of leguminous seeds
Answer: Raffinose
Q3. Lactose intolerance is caused by the deficiency of the enzyme
Answer: Lactase (β-galactosidase)
Q4. The non-digested carbohydrates are collectively called
Answer: Fiber
Q5. Gastric HCl is secreted by
Answer: Parietal (oxyntic) cells
Q6. Name of the peptide believed to be involved in the transport of amino acids
Answer: Glutathione
Q7. The disease characterized by impairment in the absorption of neutral amino acids
Answer: Hartnup’s disease
Q8. Trypsin hydrolyses peptide bonds, the carbonyl group of which is contributed by the amino acids
Answer: Arginine and lysine
Q9. The inhibition of the enzyme pancreatic lipase by bile salts is overcome by a protein, namely
Answer: Colipase
Q10. The vehicles for the transport of lipids from the intestinal lumen to the membrane of mucosal cells
Answer: Mixed micelles
Q11. The key enzyme that converts trypsinogen to trypsin is
Answer: Na+
Q12. Transport of glucose from the lumen to the intestinal mucosal cells is coupled with diffusion of
Answer: Enteropeptidase
Q13. The products obtained by the action of pancreatic lipase on triacylglycerols are
Answer: 2-Acylglycerol and free fatty acids
Q14. The lipoproteins synthesized in the intestinal mucosal cells from the absorbed lipids are
Answer: Chylomicrons
Q15. Salivary -amylase becomes inactive in the stomach primarily due to
Answer: Inactivation by low pH
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This post includes important one-liners from the chapter on digestion and absorption from biochemistry. This post summarises the chapter in short.🎥 Video Resources
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