Digestion and Absorption of Protein in Chemistry Department

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What aids in the swallowing of partially mashed food?

  • Saliva (correct)
  • Bile
  • Gastric juices
  • Enzymes

What is the range of intake of dietary protein mentioned in the text?

  • 100-150 g/day
  • 150-200 g/day
  • 50-100 g/day (correct)
  • 20-50 g/day

What is the source of about 30-100 g/day of endogenous protein?

  • Digestive enzymes and worn out cells of the digestive tract (correct)
  • Liver
  • Kidneys
  • Dietary protein

In healthy humans, how much protein is lost through feces as mentioned in the text?

<p>5-10 g/day (B)</p> Signup and view all the answers

Where does the digestion of dietary protein begin?

<p>Cooking (B)</p> Signup and view all the answers

What is the function of the teeth in the digestion of dietary protein?

<p>Mechanical breakdown of large protein pieces (C)</p> Signup and view all the answers

What is the primary role of hydrochloric acid in the stomach?

<p>Sterilizes the food and prevents harmful bacteria from entering the GI tract (A)</p> Signup and view all the answers

What is the enzyme that converts milk protein casein to calcium paracaseinate in infants and children's stomach?

<p>Rennin (A)</p> Signup and view all the answers

Which hormone stimulates the pancreas to secrete bicarbonate to neutralize gastric HCL?

<p>Secretin (D)</p> Signup and view all the answers

What is the specific role of enteropeptidase in the small intestine?

<p>Activates pancreatic trypsinogen to trypsin (D)</p> Signup and view all the answers

Which enzyme cleaves peptide bonds between basic amino acids like Arginine and Lysine?

<p>Trypsin (A)</p> Signup and view all the answers

What is the primary function of cholecystokinin (CCK) in the digestive system?

<p>Stimulates gall bladder contraction (D)</p> Signup and view all the answers

What are the building blocks of proteins?

<p>Amino acids (B)</p> Signup and view all the answers

Which type of proteins form a framework for calcium phosphate crystals deposition in bone?

<p>Collagen (D)</p> Signup and view all the answers

Which proteins directly regulate metabolism and help in muscle movement?

<p>Enzymes and contractile proteins (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser