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Questions and Answers

Which type of cells do not have membrane bound nuclei?

  • Plant cells
  • Prokaryotic cells (correct)
  • Eukaryotic cells
  • Nerve cells

What is the main focus of this article?

  • Eukaryotic cells (correct)
  • Cell membranes
  • Cell shapes and sizes
  • Prokaryotic cells

What is the function of ribosomes in cells?

  • Making proteins (correct)
  • Digesting food
  • Pumping blood
  • Filtering urine

What are the protective walls of plant cells made of?

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

What is the size of human eggs, the largest human cells?

<p>0.1mm (C)</p> Signup and view all the answers

Which organelle is responsible for protein production in the cell?

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

Which organelle is responsible for packing proteins into vesicles?

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

Which organelle is responsible for recycling cellular waste?

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

Which organelle is responsible for the transcription of DNA?

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

What is the function of the nuclear envelope?

<p>To protect the DNA and house molecules involved in processing genetic information (C)</p> Signup and view all the answers

Where does transcription take place?

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

Where does translation take place?

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

What is the function of the nucleolus?

<p>To assemble ribosomes responsible for making proteins (D)</p> Signup and view all the answers

What is the function of the endoplasmic reticulum?

<p>To create an internal space known as the lumen (A)</p> Signup and view all the answers

Which organelle is responsible for breaking down fatty acids and protecting the cell from reactive oxygen species?

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

What is the energy currency of the cell?

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

What is the prevailing theory about the origin of mitochondria in eukaryotic cells?

<p>Mitochondria were formed by engulfing smaller cells (C)</p> Signup and view all the answers

What is the function of microtubules in cell division?

<p>They pull homologous chromosomes apart (B)</p> Signup and view all the answers

What is the major function of the cytoskeleton?

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

What is the pH of the intermembrane space in mitochondria?

<p>Acidic (pH 5) (D)</p> Signup and view all the answers

Which organelle contains enzymes that hydrolyze substances and can only function properly in an acidic environment?

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

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