Cell Organelles and Metabolic Pathways Quiz

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Questions and Answers

Where does the synthesis of membrane-bound and secretory proteins mainly take place?

  • Nucleus
  • Mitochondria
  • Lysosomes
  • Rough endoplasmic reticulum (correct)

In which organelle do oxidative reactions catalyzed by amino acid oxidases and catalase primarily occur?

  • Mitochondria
  • Peroxisomes (correct)
  • Lysosomes
  • Smooth endoplasmic reticulum

Which organelle is involved in post-translational processing of membrane and secretory proteins?

  • Rough endoplasmic reticulum
  • Golgi apparatus (correct)
  • Smooth endoplasmic reticulum
  • Cytosol

Where does the enzymatic digestion of cell components and ingested matter primarily occur?

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

Which organelle is involved in DNA replication, transcription, and RNA processing?

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

What role do metabolic inhibitors play in the study of glycolysis?

<p>They block the glycolytic pathway at specific points. (A)</p> Signup and view all the answers

How does iodoacetate affect yeast extracts in relation to fructose-1,6-bisphosphate?

<p>It causes the accumulation of fructose-1,6-bisphosphate. (D)</p> Signup and view all the answers

What is the consequence of fluoride exposure on yeast extracts in relation to phosphate esters?

<p>Causes the buildup of various phosphate esters. (B)</p> Signup and view all the answers

Why was it crucial to isolate and characterize glycolytic intermediates in the study of the pathway?

<p>To aid in deducing the steps of the glycolytic pathway. (C)</p> Signup and view all the answers

How did chemical intuition contribute to predicting the steps in the glycolytic pathway?

<p>By leveraging information on accumulated intermediates. (B)</p> Signup and view all the answers

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