PCC Prokaryotes

Name: 

Multiple Choice
Identify the choice that best completes the statement or answers the question.

Eubacteria and archaebacteria differ in

Escherichia coli is classified as a(an)

Which of the following is NOT a way in which archaebacteria and eubacteria differ?

Which of the following are members of the kingdom Archaebacteria?

The structure in Figure 19–1 represents a(an)

Which structure or structures shown in Figure 19–1 have key differences in eubacteria and archaebacteria?

Which cell shape in Figure 19–2 is called a coccus?

Which of the following can survive either with oxygen or without it?

Some bacteria are able to survive unfavorable conditions by forming

Which of the following is(are) used to identify prokaryotes?

Where are you likely to find a photoautotroph?

Unlike photoautotrophs, chemoautotrophs obtain energy

A method called Gram staining is used to tell

Which of the following describes a role of bacteria in the environment?

Bacteria that break down the nutrients in dead matter into simpler substances that are taken up by plant roots are called

Nitrogen fixation involves each of the following EXCEPT

Which of the following is produced when bacteria break down complex compounds in sewage?

Humans use bacteria to

Bacteria living in extreme environments may be a good source of

Which of the following is a way that bacteria cause disease?

Bacteria that cause disease are called

Food stored in a refrigerator will keep longer because the bacteria that spoil food

Which of the following is a characteristic of bacteria that is key to keeping them under control?

Which of the following will NOT kill bacteria?

The chromosomes of bacteria

Structures found in bacterial cells but not in eukaryotic cells are

Refer to the illustration above. Organism B has a shape similar to that of

Refer to the illustration above. The shape represented by Organism A applies to the bacterial genus

Refer to the illustration above. The shape represented by Organism C is called

Bacteria often have small extra loops of DNA called

Cell organelles that Escherichia coli and other bacteria have in common with eukaryotes are

It is important to distinguish between Gram-positive and Gram-negative bacteria in diagnosing a bacterial infection because

Bacterial cells have

Escherichia coli is an example of a bacterium that has

Cyanobacteria are photoautotrophs because they require

Nitrogen-fixing bacteria

Bacterial cells such as Escherichia coli transfer pieces of genetic material in a process called

Bacterial endospores

A chain of round bacteria would be called:

Rod-shaped bacteria are called:

Figure 23-02
Use the figure below to answer the corresponding questions.

The structure in Figure 23-02 labeled C is:

What is the function of the structure labeled A in Figure 23-02?

The walls of Eubacteria contain peptidoglycan, which is:

Penicillin works most effectively against gram-positive bacteria because:

Some bacteria avoid a host’s immune system by means of:

Bacteria:

Small circles of DNA called ______________ exist in addition to the bacterial chromosome.

Small hairlike structures on the surface of bacteria are called:

Plasmids of bacteria often have genes involved in:

Pili are involved in adhesion of bacterial cells to a substrate or host, or in transmission of __________ between bacteria.