LO1 - cells and organelles

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1. Describe the structure and function of rough endoplasmic reticulum.

  • Membrane bound organelle that is studded with ribosomes that have been produced in the nucleus. It is the site of protein and lipid synthesis
  • doesn't contain ribosomes
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2. Describe the structure and function of smooth endoplasmic reticulum.

  • Membrane bound organelle that doesn't contain ribosomes. It helps to create and transport lipids and steroids.
  • contains ribosomes

3. What are the key differences between animal , plant , fungi and bacterial cells?

  • Animal , plant and fungi cells are eukaryotic and bacterial cells are prokaryotic cells. Fungi and animal cells both contain chitin which is a complex car
  • animals cells are prokaryotic
  • bacterial cells are eukaryotic

4. What are the main differences between prokaryotic and eukaryotic cells?

  • they both store DNA in nucleus
  • Similarities: -Both have a plasma membrane
  • they both have plasma membrane

5. Describe the structure and function of Mitochondria.

  • found in all prokaryotic cells
  • Membrane bound organelle found in the cytoplasm of all eukaryotic cells. Produce adenosine triphosphate (ATP).
  • a nucleus

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