Cell Organelles

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  • Created by: jaaaz_v
  • Created on: 01-11-15 14:06

1. Why are chloroplasts only found in plant cells?

  • They're too complex for animal cells
  • Because they're the sight of photosynthesis
  • Because they're the sight of protein synthesis
  • Their job is to support the cell wall, which is only present in plant cells
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2. What are microtubules?

  • A component of the cytoskeleton that can break down the cell and rebuild it again during complex cellular processes
  • A component of the cytoskeleton that forms a scaffold like structure that determines the shape of the cell
  • Tiny organelles on the surface of the cell that record information about the cells environment
  • Contractile fibres formed from the protein actin

3. What is the difference in structure between the smooth endoplasmic reticulum and the rough endoplasmic reticulum?

  • The rough ER has centrioles attached to it, and the smooth ER does not
  • The rough ER is attaced to the nucleus, and the smooth ER is attached to the cell membrane
  • The rough ER has ribosomes attached to it, and the smoothh ER does not
  • The smooth ER is normally much larger than the rough ER

4. What is the name of the dark region within the nucleus?

  • The DNA
  • The nucleolus
  • The premature nuclei
  • The nuclear sap

5. How is DNA arranged in prokaryotes and eukaryotes?

  • Prokaryotes - circular Eukaryotes - linear
  • Prokaryotes and eukaryotes - linear
  • Prokaryotes - linear Euaryotes- circular
  • Prokaryotes and eukaryotes - cirlular
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