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Cells and Microorganisms
Quick questions on Growth of microbial cultures: O-Level Cells and Microorganisms
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the four phases of growth?Show answer
When bacteria are grown in a closed flask of nutrient broth, the number of cells follows a characteristic curve with four phases:
What is the conditions microorganisms need?Show answer
For a culture to grow, several conditions must be right:
What is q1?Show answer
Name the four phases of microbial growth in order. [2 marks]
What is q2?Show answer
Explain why the population stays roughly constant in the stationary phase. [2 marks]
What is q3?Show answer
State three conditions needed to grow a microbial culture. [3 marks]
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