Cell Biology: Golgi Apparatus and Lysosomes
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Questions and Answers

What is the primary function of the Golgi apparatus in eukaryotic cells?

  • Detoxifying harmful compounds
  • Transporting, modifying, and packaging proteins and lipids (correct)
  • Breaking down cellular waste products
  • Protein synthesis

Where are the hydrolytic enzymes that break down cellular waste products in lysosomes manufactured?

  • Golgi apparatus
  • Lysosomes
  • Peroxisomes
  • Endoplasmic reticulum (correct)

What is the process called when lysosomes break down cellular waste products and recycle the cell's organic material?

  • Autophagy (correct)
  • Phagocytosis
  • Exocytosis
  • Endocytosis

What is the primary function of peroxisomes in cells?

<p>Detoxifying toxic substances (A)</p> Signup and view all the answers

Which organelle is responsible for transporting vesicles to targeted destinations?

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

What is the name of the scientist who discovered lysosomes and peroxisomes?

<p>Christian de Duve (B)</p> Signup and view all the answers

What is the primary function of ribosomes in a cell?

<p>To synthesize proteins through the process of translation (A)</p> Signup and view all the answers

What is the main difference between free and fixed ribosomes?

<p>Free ribosomes synthesize proteins for use in the cell, while fixed ribosomes synthesize proteins for secretion (C)</p> Signup and view all the answers

What is the function of the rough endoplasmic reticulum?

<p>To synthesize proteins via the translation process (B)</p> Signup and view all the answers

What is the primary function of the smooth endoplasmic reticulum?

<p>To serve as a transitional area for transport vesicles and synthesize carbohydrates and lipids (D)</p> Signup and view all the answers

What is the process by which secretory vesicles release their contents outside the cell?

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

What is the fate of proteins synthesized by fixed ribosomes?

<p>They are secreted outside the cell or inserted into the plasma membrane (C)</p> Signup and view all the answers

What is the process of phagocytosis involved in?

<p>The endocytosis of large particles (D)</p> Signup and view all the answers

What is the function of receptor-mediated endocytosis in red blood cells?

<p>Endocytosing iron for hemoglobin production (C)</p> Signup and view all the answers

What is the purpose of clathrin-mediated endocytosis?

<p>To internalize and recycle receptors involved in various cellular processes (A)</p> Signup and view all the answers

What is the process of exocytosis involved in?

<p>The release of material into the extracellular space (C)</p> Signup and view all the answers

What is an example of exocytosis in cells?

<p>The production of enzymes by pancreatic cells (B)</p> Signup and view all the answers

What is the purpose of vesicles in exocytosis?

<p>To package material for release into the extracellular space (A)</p> Signup and view all the answers

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