Natural Products and Secondary Metabolites Quiz

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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?

To obtain pure compounds for further testing and characterization Signup and view all the answers

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

Identifying the chemical structure of isolated compounds Signup and view all the answers

What is the primary focus of natural product research?

Isolating and characterizing secondary metabolites produced by organisms Signup and view all the answers

What is the typical approach used in natural product research?

Bioassay-guided fractionation and compound isolation Signup and view all the answers

What is the primary goal of bioassay-guided fractionation?

To isolate and characterize biologically active compounds Signup and view all the answers

Which technique is commonly used for characterizing isolated natural products?

Nuclear magnetic resonance (NMR) spectroscopy Signup and view all the answers

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

Between 500 and 1500 amu Signup and view all the answers

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

To identify the most potent compound by testing fractions Signup and view all the answers

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

Bioassay-guided fractionation Signup and view all the answers

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

To test the biological activity of different compound fractions Signup and view all the answers

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

To prevent contamination from other compounds Signup and view all the answers

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

Determining the chemical structure of isolated compounds Signup and view all the answers