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WalesBiologyQuick questions

Unit 3: Energy, Homeostasis and the Environment

Quick questions on Microbiology - WJEC A-Level Biology

3short 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 q1?
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State two features of aseptic technique. [1 mark]
What is q2?
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Explain why a continuous culture keeps bacteria in the log phase. [2 marks]
What is q3?
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A culture diluted ×1000\times 1000 gave 3535 colonies from 0.1 cm30.1 \text{ cm}^3. Calculate the number of viable cells per cm3\text{cm}^3. [3 marks]

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