Chapter 19 - Bacteria Lab Quiz

________ is the name used for the traditional bacterial kingdom, now known as the two distinct domains of Archaea and Bacteria.

Eukarya.

In what types of environments do bacteria live?

Extremely hot/cold, digestive system of humans/animals, or in deep underground environments.

Archaea and Eukarya share which of the following features?

Histone proteins in the DNA.

In bioluminescent bacteria, the light-emitting compound is called ________.

Luciferin.

Archaea classified as ________ can exist in soil, sediment, and other less extreme environments.

Mesophiles.

Which of the following statements about bacteria is NOT true?

Most bacteria are pathogenic.

Which of the following bacteria exist as diplococci?

Neisseria meningitidis.

Bacteria that require oxygen for survival are known as _

Obligate aerobes.

Clostridium botulinum is a bacteria that cannot live in oxygen. It is described as a/an ______.

Obligate anaerobe.

Which of the following are classified as cyanobacteria?

Oscillatoria sp. & Nostoc sp.

Archaea classified as ________ can live in extremely cold conditions, such as in the Antarctic region.

Psychrophiles.

Gram-positive bacteria stain ________.

Purple.

The process of bioluminescence ________.

Requires a large amount of ATP.

Bacteria collected from a sick patient by a throat swab stains purple on a slide. What is the likely pathogen in this case?

Strep.

Some bacteria produce an endospore that enables them to ________.

Survive under intolerable conditions.

While visiting Yellowstone Park, you see the famous geyser "Old Faithful." What type(s) of Archaea would you most likely find in this water?

Thermophiles.

Which of the following statements about the proteobacteria is NOT true?

They are important oxygen producers.

Which of the following bacteria causes the sexually transmitted disease syphilis?

Treponema pallidum.

Which of the following bacteria are important in the production of oxygen?

Cyanobacteria.

Which of the following are gram-positive bacteria?

All of the above.

Which of the following bacteria is pathogenic in humans?

All of the above.

Which of the following is a characteristic of the bacterium Escherichia coli?

All of the above.

Many bacteria cause devastating diseases in plants and animals; however, some bacteria are used to produce -

Antibiotics.

Rod-shaped bacteria are known as ________.

Bacilli.

Antibiotics that kill bacteria directly are classified as ________.

Bactericidal.

Bacteria that produce light are referred to as ______.

Bioluminescent.

Gram stain is a laboratory technique used to distinguish between various kinds of bacteria based on the characteristics of the ________.

Cell wall.