What is Bacteria? - Definition & Types


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question 1 of 3

Which of the following is not a characteristic of archaebacterial cells?

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1. Which of the following statements about peptidoglycan is FALSE?

2. Which of the following terms describes a bacterial cell that does not require oxygen for its metabolic processes?

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About This Quiz & Worksheet

There are many known types of bacteria and this quiz/worksheet combo will help you test your understanding of a few of them. Some things you'll be assessed on include structure and characteristics of major types of bacteria.

Quiz & Worksheet Goals

In these assessments you'll be tested on:

  • A type of bacteria that doesn't need oxygen for metabolic processes
  • Identifying a feature that is uncharacteristic of archaebacterial cells
  • What is true about peptidoglycan
  • A bacteria shape
  • Describing an example of a new kind of bacteria

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson about types of bacteria
  • Making connections - use understanding of peptidoglycan characteristics to determine gram staining preferences of bacteria
  • Interpreting information - verify that you can read information regarding features of archaebacterial cells and interpret it correctly

Additional Learning

To become more familiar with the types of bacteria, look over the associated lesson called, What is Bacteria? - Definition & Types. At the closing of this lesson, you should be able to:

  • Define bacteria
  • Describe the following structural components of bacteria: capsule, cell wall, virulence, peptidoglycan, cell membrane, cytoplasm, ribosome, nucleoid and flagellum
  • Identify the taxonomic domains that include bacteria
  • Name the three most common shapes of bacteria
  • Explain how gram staining occurs
  • Differentiate between aerobes and anaerobes and between heterotrophs and autotrophs