Microbiology: Factors Affecting Growth

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Questions and Answers

What is the primary reason why most living organisms will die in environments with too little moisture?

  • Insufficient nutrient supply
  • Inability to divide by binary fission
  • Lack of oxygen
  • Inability to carry out metabolic processes (correct)

What is the term for an increase in the number of bacterial cells?

  • Binary fission
  • Cellular division
  • Bacterial growth (correct)
  • Microbial increase

What is the byproduct of binary fission in bacterial cells?

  • Two daughter cells (correct)
  • Four smaller cells
  • One giant cell
  • One large cell

What determines the characteristic size and shape of a microbial colony?

<p>The type of medium used (C)</p> Signup and view all the answers

What is the minimum temperature required for microbial growth?

<p>The minimum growth temperature (D)</p> Signup and view all the answers

What is the primary reason why bacterial growth eventually stops in a culture?

<p>Toxic concentration of cellular waste products (D)</p> Signup and view all the answers

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