Mammalian Tissue Glycogen Storage

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Questions and Answers

Which tissue ranks third in glycogen storage?

  • Platelets
  • Adipose tissue
  • Heart muscle
  • Kidney (correct)

What is the storage form of glucose in mammalian tissues?

  • Glycogen (correct)
  • Glucose-1-phosphate
  • Glucose-6-phosphate
  • Insulin

What is the product of the breakdown of glycogen by Phosphorylase A?

  • Glucose and shorter glycogen molecule
  • Glucose-6-phosphate and longer glycogen molecule
  • Fructose-6-phosphate and longer glycogen molecule
  • Glucose-1-phosphate and shorter glycogen molecule (correct)

What is the enzyme responsible for the phosphorolysis of glycogen?

<p>Glycogen Phosphorylase A (B)</p> Signup and view all the answers

Which tissue stores a small but measurable amount of glycogen?

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

What is the storage form of glucose in mammalian tissues?

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

Which enzyme catalyzes the phosphorolysis of glycogen at the non-reducing ends of the molecule?

<p>Glycogen Phosphorylase A (D)</p> Signup and view all the answers

Which tissue is NOT mentioned as a site of glycogen storage?

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

What is the product of the breakdown of glycogen by Phosphorylase A?

<p>Glucose-1-phosphate and glycogen molecule one residue (A)</p> Signup and view all the answers

What is added across the chemical bond during phosphorolysis?

<p>HO-PO3-2 (D)</p> Signup and view all the answers

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