Virology- Dilutions Quiz

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Last updated 11:24 PM on 9/8/26
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7 Terms

1
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Define titer.

Phage concentration (unit: phages/mL or PFU/mL)

2
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What role does serial dilutions play in virology lab?

often used to calculate titer

<p>often used to calculate titer</p>
3
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What is a quick/field titer?

  • use one plate to observe a broad range of possible phage titers

  • need to make sure to touch micropipette tip to plate since the volume of cells and phage is so little


<ul><li><p>use one plate to observe a broad range of possible phage titers</p></li><li><p>need to make sure to touch micropipette tip to plate since the volume of cells and phage is so little</p></li></ul><p></p>
4
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What are the different components of our plates?

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5
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What describes the growth rate of bacteria?

  • exponential growth- increase by constant proportional rate


<ul><li><p>exponential growth- increase by constant proportional rate</p></li></ul><p></p>
6
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What is the bacteriophage we are using in lab?

  • T7 bacteriophage

  • family podoviridae

  • infects e.coli

  • 40 kb dsDNA genome, 59 genes

  • Very fast replication


7
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How do you calculate the concentration of a regular titer?

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