Subcellular Organelles and Cell Membranes Lecture Quiz

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Questions and Answers

Which organelle is responsible for protein sorting, packaging, and secretion?

  • Lysosomes
  • Golgi apparatus (correct)
  • Plasma membrane
  • Mitochondria

What is the main function of mitochondria?

  • Cellular communication
  • Protein synthesis
  • Energy production (correct)
  • Waste decomposition

What is the optimal pH for lysosomal enzymes?

  • Around 7
  • Around 2
  • Around 5 (correct)
  • Around 10

Which organelle separates the cell from the external environment and regulates the entry and exit of compounds?

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

Which organelle is responsible for modifying, sorting, and packaging proteins for secretion?

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

Which organelle is the most prominent and contains the DNA, the chemical basis of genes?

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

Under an electron microscope, the endoplasmic reticulum appears to have a __.

<p>Railway track appearance (C)</p> Signup and view all the answers

Which organelle forms chromosomes by complexing very long DNA molecules with proteins?

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

Which organelle is a network of interconnecting membranes enclosing channels or cisternae?

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

Which organelle is responsible for the synthesis, modification, sorting, and packaging of proteins and lipids?

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

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