ELISA Molecular Assay Quiz
16 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary purpose of an ELISA assay?

  • To measure the concentration of a specific protein or antigen (correct)
  • To analyze the pharmacodynamics of a drug
  • To determine the toxicity levels of a drug
  • To test the stability of a drug over time

Which of the following is NOT a type of ELISA mentioned in the text?

  • Indirect ELISA
  • Sandwich ELISA (correct)
  • Competitive ELISA
  • Direct ELISA

What is the primary function of the enzyme in an ELISA assay?

  • To provide a colorimetric reaction for visualization purposes (correct)
  • To amplify the concentration of the antigen being measured
  • To catalyze the binding of antibodies to antigens
  • To increase the specificity of the antibody-antigen interaction

Which of the following is NOT a type of assay mentioned in the text?

<p>Binding assay (B)</p> Signup and view all the answers

What is the primary difference between a direct and an indirect ELISA?

<p>A direct ELISA uses a primary antibody linked to an enzyme, while an indirect ELISA uses a secondary antibody linked to an enzyme (B)</p> Signup and view all the answers

What is the purpose of an Investigational New Drug (IND) application?

<p>To obtain approval for testing a new drug on humans (A)</p> Signup and view all the answers

Which technique is used to separate proteins based on their size?

<p>Gel-filtration chromatography (D)</p> Signup and view all the answers

What is the primary purpose of a stability assay?

<p>To determine the conditions that affect the shelf life of a drug (A)</p> Signup and view all the answers

Which technique separates molecules based on their overall charge at a given pH?

<p>Ion-exchange chromatography (D)</p> Signup and view all the answers

What is the purpose of a pharmacodynamic (PD) assay?

<p>To show how a drug is metabolized in the body (D)</p> Signup and view all the answers

Which technique is used to separate proteins based on their shape or attraction to certain types of chromatography resin?

<p>Affinity chromatography (A)</p> Signup and view all the answers

Which technique is used to separate molecules based on their hydrophobicity (aversion to water)?

<p>Hydrophobic-interaction chromatography (C)</p> Signup and view all the answers

What is the purpose of a potency assay?

<p>To show the biochemical effect of a drug on the body (B)</p> Signup and view all the answers

What is the primary difference between cation exchange and anion exchange chromatography?

<p>Cation exchange binds positively charged ions, while anion exchange binds negatively charged ions (A)</p> Signup and view all the answers

What is the primary purpose of an activity assay?

<p>To show a molecule is conducting the expected reaction (C)</p> Signup and view all the answers

What is the purpose of an Investigational New Drug (IND) application?

<p>To allow testing of a new drug or product on humans (D)</p> Signup and view all the answers

More Like This

ELISA Overview and Interpretation
26 questions
Antibodies and ELISA Techniques
8 questions
Doppia Elica del DNA e Complementarietà
43 questions
Diagnostic Tests in Biology
22 questions
Use Quizgecko on...
Browser
Browser