Cell Organelles

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1. How is DNA arranged in prokaryotes and eukaryotes?

  • Prokaryotes and eukaryotes - cirlular
  • Prokaryotes - circular Eukaryotes - linear
  • Prokaryotes - linear Euaryotes- circular
  • Prokaryotes and eukaryotes - linear
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2. What are histones and whats there relevance?

  • Tiny proteins held inside of the nucleus that record the cells activities
  • Histones are proteins that break chromosomes down into chromatin
  • Histones are proteins that form chromatin
  • Histones are tiny organelles that used to recall the information of the cell. During the evolution of cells, they were replaced by the nuclus

3. What are microtubules?

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

4. What kind of arrangement do the microtubules in cilia have?

  • A random arrangement
  • A 9+2 arrangement
  • They have a hair like arrangement
  • A 11+2 srrangement

5. In prokaryotic cells, the cell wall is made from...?

  • Ribosomes
  • Peptidoglycan
  • Starch
  • Cellulose

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