Which of the Following Are the Most Important Biologically Active

question 34

Multiple Choice

Which of the following are the most important biologically active compounds found in St. John's Wort?

• A) steroid-like glycosides
• B) delta-9-tetrahydrocannabinol and pyridoxine
• C) codeine and tramadol
• D) coumarins and flavonoids
• E) hypericin and hyperforin

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Definitions:

Polyplacophora

A class of marine mollusks known as chitons, characterized by their eight-plated dorsal shells and grazing habits.

Intertidal Zone

The marine shoreline area between the high-tide mark and the low-tide mark.

Filter Feeders

organisms that feed by straining suspended matter and food particles from water, typically done by aquatic animals.

Mode of Nutrition

The method by which an organism obtains its food and energy, varying across species from photosynthesis in plants to different forms of heterotrophy in animals.