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Klarissa Cwynar 9 perguntas

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Perguntas do quiz (9)

  1. 1How is the bacterial chromosome different from the eukaryotic chromosome?
    1. ABacterial chromosomes have one point to start replication-eukaryotic have multiple origins of replication. Bacteria also may contain plasmids-small circular pieces of DNA that contain genes.
    2. BBacterial chromosomes have more than one point to start replication-eukaryotic have one origin of replication. Bacteria also may contain plasmids-small circular pieces of DNA that contain genes.
  2. 2How are other bacterial cellular structures different from eukaryotes?
    1. ABacterial ribosomes are smaller than eukaryotic ribosomes.
    2. BBacterial flagella rotate, eukaryotic flagella move side to side.
    3. CBacteria lack endoplasmic reticulum and any other membrane bound organelles.
    4. DBacterial cells are generally one tenth the size of eukaryotic cells.
    5. EAll of the above are correct
  3. 3What are the shapes of bacteria?
    1. ATriangular coccus
    2. BRod shaped-bacillus. Spherical-coccus. Helical or spiral shaped as well.
    3. CSome rarer bacteria are also square. Some bacteria also have fruiting bodies.
    4. DBoth B and C are correct
  4. 4What is conjugation?
    1. AProcess by which one bacterium transfers genetic material
      to another through direct contact through a sex pillus.
    2. BWhen DNA in the environment released by cells is
      taken up by a bacterium.
    3. CDNA is transferred from a donor cell to a recipient cell by a
      virus.
  5. 5What is transformation?
    1. AProcess by which one bacterium transfers genetic material
      to another through direct contact through a sex pillus.
    2. BWhen DNA in the environment released by cells is
      taken up by a bacterium.
    3. CDNA is transferred from a donor cell to a recipient cell by a
      virus.
  6. 6What is transduction?
    1. AProcess by which one bacterium transfers genetic material
      to another through direct contact through a sex pillus.
    2. BWhen DNA in the environment released by cells is
      taken up by a bacterium.
    3. CDNA is transferred from a donor cell to a recipient cell by a
      virus.
  7. 7What are the different photosynthetic metabolisms used by bacteria?
    1. ABacteria can use photosynthetic pathways that produce oxygen and pathways that do not produce oxygen.
    2. BBacteria cannot use photosynthetic pathways that produce oxygen and pathways that do not produce oxygen.
  8. 8What are the different anaerobic metabolisms used by bacteria?
    1. ABacteria can use fermentation or alternate electron acceptors such as NO 3- , SO 4- , Mn4 + , Fe3 + , AsO 43 -
    2. BBacteria cannot use fermentation or alternate electron acceptors such as NO 3- , SO 4- , Mn4 + , Fe3 + , AsO 43 -
  9. 9What are bacterial photoheterotrophs?
    1. ABacteria that use photosynthesis to generate APT, but need large carbon molecules from their environment.
    2. BBacteria that do not use photosynthesis to generate APT, and do not need large carbon molecules from their environment.
    3. CBacteria that do not use photosynthesis to generate APT, but need large carbon molecules from their environment.
    4. DBacteria that use photosynthesis to generate APT, and do not need large carbon molecules from their environment.

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Quiz sobre Sem título, criado por Klarissa Cwynar em 28-03-2018.
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