Natural Products and Secondary Metabolites Quiz
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Questions and Answers

What is an example of an entire organism that can be considered a natural product?

  • A rock
  • A plant (correct)
  • A chair
  • A computer

In bioassay-guided fractionation, what is the main purpose of conducting fractionation testing?

  • To add complexity to the natural product characterization
  • To increase the cost of the process
  • To decrease the time required for compound isolation
  • To identify the active compound responsible for the biological activity (correct)

Which process aims to separate and purify different compounds present in a natural product?

  • Merging
  • Dilution
  • Fractionation (correct)
  • Cloning

What is the primary goal of compound isolation from natural products?

<p>To obtain pure compounds for further testing and characterization (C)</p> Signup and view all the answers

Which of the following is a critical step in natural product characterization?

<p>Identifying the chemical structure of isolated compounds (C)</p> Signup and view all the answers

What is the primary focus of natural product research?

<p>Isolating and characterizing secondary metabolites produced by organisms (C)</p> Signup and view all the answers

What is the typical approach used in natural product research?

<p>Bioassay-guided fractionation and compound isolation (A)</p> Signup and view all the answers

What is the primary goal of bioassay-guided fractionation?

<p>To isolate and characterize biologically active compounds (C)</p> Signup and view all the answers

Which technique is commonly used for characterizing isolated natural products?

<p>Nuclear magnetic resonance (NMR) spectroscopy (D)</p> Signup and view all the answers

What is the molecular weight range typically associated with natural products?

<p>Between 500 and 1500 amu (B)</p> Signup and view all the answers

What is the primary purpose of bioassay-guided fractionation in the extraction of natural products?

<p>To identify the most potent compound by testing fractions (C)</p> Signup and view all the answers

Which step directly follows plant extraction in the process of natural product isolation?

<p>Bioassay-guided fractionation (A)</p> Signup and view all the answers

What is the main goal of fractionation testing as part of natural product extraction?

<p>To test the biological activity of different compound fractions (C)</p> Signup and view all the answers

Why is compound isolation necessary in the extraction of natural products from medicinal plants?

<p>To prevent contamination from other compounds (C)</p> Signup and view all the answers

What does natural product characterization involve in the context of medicinal plant extraction?

<p>Determining the chemical structure of isolated compounds (A)</p> Signup and view all the answers

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