Prokaryotic Cell Quiz
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Questions and Answers

What is one major difference between prokaryotic and eukaryotic cells?

  • Eukaryotes lack cell boundaries
  • Prokaryotes contain numerous organelles
  • Eukaryotes are generally much smaller in size
  • Prokaryotes are generally much smaller in size (correct)
  • What is an extreme example of cell size difference mentioned in the text?

  • Nucleus and mitochondria
  • Salmonella enterica and Paramecium protist
  • Bacteria and mitochondria
  • Epulopiscium fishelsoni (a large bacterium) and Mycoplasma pneumoniae (the smallest known bacterium) (correct)
  • What can be inferred from the image of a single human cell infected with Salmonella enterica serovar Typhi?

  • The bacteria are larger than the human cell
  • The bacteria are present in the mitochondria
  • The cell’s cytoplasm is over-run with bacteria (correct)
  • The bacteria are confined to the nucleus
  • What is a notable characteristic of the bacterium Epulopiscium fishelsoni mentioned in the text?

    <p>It is among the largest bacteria</p> Signup and view all the answers

    What affects how quickly cells exchange nutrients and waste with their environment?

    <p>Surface area to volume ratio</p> Signup and view all the answers

    What is the fundamental difference between prokaryotic and eukaryotic cells?

    <p>Presence of membrane-bound compartments</p> Signup and view all the answers

    Which bacterium is a common component of human microbiota and often found in the nasal area?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Which bacterium is the etiological agent of the common STD gonorrhea?

    <p>Neisseria gonorrhoeae</p> Signup and view all the answers

    Which bacterium is the predominant 'group A strep' and can cause diseases such as 'strep throat'?

    <p>Streptococcus pyogenes</p> Signup and view all the answers

    Which bacterium is a common cause of 'food poisoning' worldwide and also causes more serious diseases such as typhoid fever?

    <p>Salmonella enterica</p> Signup and view all the answers

    Which bacterium is an important human pathogen, especially in the developing world, causing profuse diarrhea and dehydration?

    <p>Vibrio cholerae</p> Signup and view all the answers

    Which bacterium is commonly found in the human stomach and is the cause of the vast majority of stomach ulcers and stomach cancers?

    <p>Helicobacter pylori</p> Signup and view all the answers

    Which bacterium is a bacterial pathogen that causes Lyme disease and is transmitted by ticks?

    <p>Borrelia burgdorferi</p> Signup and view all the answers

    Which bacterium is used as a model system to study bacterial cell cycle and asymmetric cell division?

    <p>Caulobacter crescentus</p> Signup and view all the answers

    Which bacterium is a photosynthetic bacterium that does not produce O2 and is studied to understand the evolutionary origins of photosynthesis?

    <p>Chloroflexus aurantiacus</p> Signup and view all the answers

    What can affect many aspects of a bacterium's day-to-day life, including nutrient access/uptake, motility, and attachment to surfaces?

    <p>Cell shape</p> Signup and view all the answers

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