Cell Biology and Micro-biology

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1. Comparison of molecular sequences would suggest that chloroplasts are the most closely related to the following group of bacteria

  • Gammaproteobacteria
  • Bacteriodetes
  • Cyanobacteria
  • Alphaproteobacteria
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Other questions in this quiz

2. The adaptive immune response can be activated by antigen presentation to T-helper cells by which of the following immune cells?

  • Macrophage
  • Plasma cell
  • Cytotoxic T cells
  • Mast cell

3. Which sequence correctly orders the evolution of the following biochemical reaction?

  • 1st anoxygenic photosynthesis, 2nd bacterial photosynthesis, 3rd aerobic respiration, 4th eukaryotic oxygenic photosynthesis
  • 1st bacterial oxygenic photosynthesis, 2nd eukaryotic oxygenic photosynthesis, 3rd anoxygenic photosynthesis, 4th aerobic respiration

4. Which of the following molecules are only found in bacterial cells?

  • Chitin
  • Peptidoglycan
  • Cellulose
  • Phosopholipid bilayer

5. in a eukaryotic cell mRNA synthesis takes place in the

  • Endoplamic reticulum
  • Nucleus
  • Cytoplasm
  • golgi apparatus


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