Bacteria and Prokaryotes Quiz
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Questions and Answers

What kind of virus is HIV?

  • DNA virus
  • Herpesvirus
  • Retrovirus (correct)
  • Adenovirus

    • Why does the immune system fail after HIV infection?

  • HIV replicates rapidly in T cells (correct)
  • HIV targets macrophages only
  • HIV leads to overproduction of antibodies
  • HIV prevents B cell activation

    • What are helper T cells?

  • Cells involved in digestion
  • Cells that produce antibodies
  • Cells that help coordinate the immune response (correct)
  • Cells that attack pathogens directly

    • What is reverse transcriptase?

    <p>An enzyme that converts RNA to DNA</p> Signup and view all the answers

    Where did SARS-CoV2 most likely come from?

    <p>Bats</p> Signup and view all the answers

    What is the primary characteristic of Opisthokonta?

    <p>Flagellated cells with posterior flagella</p> Signup and view all the answers

    Why is energy lost as it is transferred between trophic levels?

    <p>Due to heat loss and inefficiency of energy transfer</p> Signup and view all the answers

    What are biogeochemical cycles?

    <p>Cycles that recycle nutrients and elements through biotic and abiotic components of ecosystems</p> Signup and view all the answers

    What causes positive radiative forcing?

    <p>Increased greenhouse gas emissions</p> Signup and view all the answers

    What are some greenhouse gases?

    <p>Methane (CH4)</p> Signup and view all the answers

    Who first predicted that adding CO2 into the atmosphere would cause climate change?

    <p>Arrhenius</p> Signup and view all the answers

    What is the Paris Agreement?

    <p>An agreement to limit global warming and mitigate its effects</p> Signup and view all the answers

    What is the primary claim to fame of cyanobacteria?

    <p>They are primary producers and perform photosynthesis.</p> Signup and view all the answers

    What leads some scientists to view the tree of life as more of a bush?

    <p>Horizontal gene transfer events between different domains.</p> Signup and view all the answers

    Why are eukaryotic cells usually larger than prokaryotes?

    <p>To allow for increased complexity in cellular functions.</p> Signup and view all the answers

    What is the primary characteristic of the Archaeplastida eukaryotic supergroup?

    <p>Presence of a primary plastid.</p> Signup and view all the answers

    Where did mitochondria likely come from based on current evidence?

    <p>Originated from cyanobacteria through endosymbiosis.</p> Signup and view all the answers

    What is a primary feature that distinguishes Stramenophila among eukaryotic supergroups?

    <p>Flagella with distinctive hairs or scales.</p> Signup and view all the answers

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