Biotechnology Explorer ELISA Quiz
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Questions and Answers

What is the basic principle behind ELISpot?

  • Detection of infectious diseases
  • Using a washer system
  • Reading ELISA plates
  • Counting spot forming cells (correct)

What is the material used for most ELISA plates?

  • Aluminum
  • Polystyrene (correct)
  • Plastic
  • Glass

How many wells do 96-well ELISA plates typically have?

  • 8
  • 12
  • 6
  • 96 (correct)

What is the volume each well of an ELISA plate can hold?

<p>350 μl (C)</p> Signup and view all the answers

Which type of plates are available for high throughput screening in ELISA?

<p>384-well plates (C)</p> Signup and view all the answers

What is the main advantage of ELISA in terms of sensitivity?

<p>High sensitivity (C)</p> Signup and view all the answers

What is the purpose of Northern blotting?

<p>Detect the expression level and transcript size of a specific gene (B)</p> Signup and view all the answers

What is a disadvantage of the standard northern blot method?

<p>Laborious if many genes need to be tested (A)</p> Signup and view all the answers

Which technique is used to analyze protein post translational modifications?

<p>Eastern blotting (B)</p> Signup and view all the answers

What happens when RNA samples are degraded by RNAses in Northern blotting?

<p>Quality of data and quantitation of expression are negatively affected (A)</p> Signup and view all the answers

Why does the use of radioactivity in Northern blotting pose a challenge?

<p>Laborious if many genes need to be tested (B)</p> Signup and view all the answers

What is the main application of Northern blotting?

<p>Detect mRNA expression levels and transcript sizes (B)</p> Signup and view all the answers

Which technique is suitable for detecting carbohydrate epitopes?

<p>Eastern blotting (B)</p> Signup and view all the answers

What is a drawback of using the standard northern blot method with multiple probes?

<p>Difficulty in signal detection (D)</p> Signup and view all the answers

Why is the standard northern blot method less sensitive than nuclease protection assays and RT-PCR?

<p>Its sensitivity is not as high as other techniques (D)</p> Signup and view all the answers

What happens if RNA samples are slightly degraded during northern blot analysis?

<p>The data and quantitation of expression may be negatively affected (C)</p> Signup and view all the answers

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