Exam 23: Bacteria and Archaea

What are lipopolysaccharides associated with?

Figure 23-2 -In the phylogenetic tree in Figure 23-2, which branch identifies a kingdom?

Which of the following contain cytoplasmic organelles?

Which organisms stain as either Gram-positive or Gram-negative?

Suppose you perform a Gram stain of a mixed culture of Gram-positive and Gram-negative cells, and afterward you realize that you omitted the iodine step. What would you expect to see if you observed the slide under the microscope?

Which organisms obtain carbon from CO₂?

In what way is proteobacterial photosynthesis different from plant photosynthesis?

In which major taxonomic group of Archaea are the methanogens found?

Figure 23-2 -In the phylogenetic tree in Figure 23-2, which branch identifies Bacteria?

What was the basis on which prokaryotes were split into two domains?

Which organisms obtain energy from sunlight?

The strong support for Lokiarchaeota and Eukarya being sister groups has phylogenetic and taxonomic implications.

Match each prokaryotic genus with its correct description. -Bacillus

Which type of cell contains a nuclear membrane?

Figure 23-1 -In the diagram of a bacterial cell in Figure 23-1, which number identifies the structure that facilitates movement?

Which of the following characterizes Gram-positive bacteria?

Which of the following contain prokaryotic organisms that are pathogenic to humans?

Which bacteria produce the botulism toxin?

Which of these terms refers to prokaryotes that are cylindrical?

Match each prokaryotic genus with its correct description. -methanogen