lecture 6
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Questions and Answers

What is the main storage form of carbohydrates in animals?

  • Sucrose
  • Glycogen (correct)
  • Maltose
  • Starch

Which polysaccharide has a linear structure and consists of glucose molecules connected through a(1-4) glycosidic bonds?

  • Stachyose
  • Glycogen
  • Amylose (correct)
  • Amylopectin

Which compound is responsible for the sweet taste of sugars and requires specific metabolism in the liver due to its structure?

  • Sucrose
  • Fructose (correct)
  • Glucose
  • Lactose

What type of starch allows more molecules to be packed in a tighter space and has branching out with glucose linked through a(1-6) glycosidic bonds?

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

What type of polysaccharide cannot be broken down by enzymes and is considered good food for bacteria?

<p>Raffinose (C)</p> Signup and view all the answers

Which monosaccharide is most plentiful in nature and is accepted by cells for energy?

<p>Glucose (C)</p> Signup and view all the answers

Which compound is formed by two monosaccharides attached by glycosidic bonds and is a major energy-supplying nutrient in the diet?

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

What type of bond connects glucose molecules in amylopectin, allowing branching out and tighter packing of molecules?

<p>Alpha (α) glycosidic bond (B)</p> Signup and view all the answers

In which compound does hydrolysis occur during digestion, causing a disaccharide to split into two monosaccharides?

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

In which location does the liver transform fructose and galactose into glucose due to their specific metabolism?

<p>Liver transform fructose into glucose (D)</p> Signup and view all the answers

What is the primary reason that vegetarians may have to poop more than carnivores?

<p>They do not absorb all the protein from plant-based foods (D)</p> Signup and view all the answers

What gives waste the bad smell in feces?

<p>Indoles, skatole, mercaptans, and hydrogen sulfide (B)</p> Signup and view all the answers

What is the role of probiotics in the gut?

<p>Support immune function and weight control (A)</p> Signup and view all the answers

What is the function of prebiotics in the gut?

<p>Feed beneficial bacteria in the gut (A)</p> Signup and view all the answers

Which component provides color to poop?

<p>Bilirubin metabolites such as stercobilin and urobilin (C)</p> Signup and view all the answers

What is the primary reason for vegetarians having to excrete more undigested material?

<p>They do not absorb all the protein from plant-based foods (C)</p> Signup and view all the answers

What is the role of short-chain fatty acids in the gut?

<p>Prevent cancer cells from proliferating (A)</p> Signup and view all the answers

What are probiotics?

<p>Good bacteria that promote gut health (B)</p> Signup and view all the answers

What is the primary role of prebiotics?

<p>To feed beneficial bacteria in the gut (B)</p> Signup and view all the answers

What is responsible for giving waste its bad smell?

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