Exam 26: Bacteria and Archaea: the Prokaryotic Domains

Use the following to answer questions: Match the following descriptions of groups of bacteria with their names from the list below. -These bacteria use axial filaments to move and include the bacterium that causes syphilis.

_______ is the ability of a bacterial pathogen to enter into and multiply within the body of a host.

Which one of the following is not a motivation for the classification of biological organisms?

_______ are more closely related to _______ than they are to _______.

Use the following to answer questions: Match the following descriptions of groups of bacteria with their names from the list below. -These bacteria lack cell walls and are among the smallest cellular creatures. They are mostly plant and animal parasites.

Mycoplasmas

One of the smallest of the bacteria, _______, has a complex intracellular life cycle.

Endospores

Which group of prokaryotes was responsible for converting Earth's early atmosphere from anaerobic to aerobic?

Most prokaryotes

Which of the following is not one of Koch's postulates?

Use the following to answer questions: Refer to the diagrams below, showing sections through the cell wall of Gram-positive and Gram-negative bacteria. -Which of the labeled areas (A, B, C, D) picks up the counterstain during the Gram-staining procedure?

The common ancestor of all three domains of life probably had

Antibiotics such as penicillin have little, if any, effect on the cells of eukaryotes because they interfere with the synthesis of cell walls containing _______.

A bacterium that cannot live in the presence of oxygen is called a(n)

If you were looking for a new heat-tolerant DNA polymerase enzyme, you would investigate

The phylogeny of prokaryotes

Which of the following statements about endospores is false?

Viruses have multiple evolutionary origins. Therefore, they are considered to be a(n) _______ rather than a monophyletic group.

Autoclaves, which sterilize medical and laboratory equipment by means of pressurized heat, must pass a "spore test" in many states to demonstrate that they are able to work correctly. The spore-producing bacteria used for this test are most likely taken from which of the following groups?