Bio II Chapter 23 Bacteria

Gram negative bacteria have a thin layer of peptidoglycan; they stain pink.

• True

• False

Gram positive bacteria have a thin layer of peptidoglycan; they stain pink.

• True

• False

Do bacteria have genetic material?

• Yes

• No

Where is bacterial DNA located?

• in the nucleus

• floating in the cytoplasm

• they don't have any

Which of the following organelles do bacteria LACK?

• ribosomes

• chromosomes

• cell membrane

• membrane bound organelles; such as chloroplasts

Which of the following is NOT true regarding how bacteria move?

• Some use cilia

• Some use flagella

• Some use a slime tract

• They can NOT move

Which type of bacteria can NOT survive in the presence of oxygen?

• Aerobic bacteria
• Anaerobic bacteria
• Facultative bacteria
• All bacteria

Which of the following has been identified as the earliest group of living organisms on our planet?

• Viruses
• Protists
• Bacteria
• Fungus

Which of the following terms applies ONLY to bacteria?

• Autotrophic
• Prokaryotic
• Unicellular
• Photosynthetic

Which term applies to "rod shaped" bacteria?

• Coccus
• Bacillus
• Spirilla
• Spirochete