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1 Bacteria capable of digesting the ________ in petroleum are often used to clean up oil spills.

2 What is the genus authority of Pseudomonas?

3 These evolutionary domains are called Bacteria and ________.

4 What does the following picture show?  Overview of bacterial infections and main species involved.[159][160]   Many bacteria reproduce through binary fission   Flagellum of Gram-negative Bacteria. The base drives the rotation of the hook and filament.   Filaments of photosynthetic cyanobacteria

5 What classis does Actinobacteria belong to?

6 What does the following picture show?  Many bacteria reproduce through binary fission   Bacteria display many cell morphologies and arrangements   Overview of bacterial infections and main species involved.[159][160]   Antonie van Leeuwenhoek, the first microbiologist and the first person to observe bacteria using a microscope.

7 What does the following picture show?  Antonie van Leeuwenhoek, the first microbiologist and the first person to observe bacteria using a microscope.   Overview of bacterial infections and main species involved.[159][160]   Streptococcus mutans visualized with a Gram stain   Color-enhanced scanning electron micrograph showing Salmonella typhimurium (red) invading cultured human cells

8 Capsules or slime layers are produced by many bacteria to surround their cells, and vary in structural complexity: ranging from a disorganised slime layer of extra-cellular ________, to a highly structured capsule or glycocalyx.

9 ________ are viruses that change the bacterial DNA.

10 [59] The nucleoid contains the chromosome with associated proteins and ________.

💡 Interesting Facts

  • the anticancer agent Salinosporamide A (skeletal formula pictured), which recently entered clinical trials, is produced by marine sediment-dwelling bacteria?
  • the hslVU protein complex (pictured) that degrades damaged proteins in bacteria, probably resembles the evolutionary ancestor of the proteasome, a required component of all eukaryotic cells?
  • the only effective way to manage the bacterial plant disease citrus canker is to destroy all infected citrus trees?
  • some bacteria and parasitic protozoa escape extreme conditions like desiccation and unavailability of food by forming microbial cysts?
  • purity of the Sasthamkotta Lake water for drinking use is attributed to presence of a large number of larvae called cavaborus, which consume much of the lake's bacteria?
  • ADP-ribosylation, a posttranslational protein modification, is involved in the actions of several bacterial toxins in diseases such as cholera and whooping cough?
  • human skin flora includes roughly 1,000 species of bacteria?
  • new bacterial species names are not considered valid until published in the International Journal of Systematic and Evolutionary Microbiology?
  • Richard Lenski's long-term evolution experiment with E. coli has been tracking genetic changes in bacteria for over 20 years?