Question

Name the various types of ergastic substances.

    Name the various types of ergastic substances.

Plant Systematics

Plant Systematics

Michael G. Simpson 2nd Edition

Chapter 10, Problem 4

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Solved by Expert Catherine Lemar

07/22/2020

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Name the various types of ergastic substances.

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Key Concepts

Ergastic Substances

Ergastic substances are nonliving deposits found within the cells of plants. They are produced as byproducts of metabolism and exist as either organic compounds or inorganic materials. Their roles include storage of nutrients, defense, and regulation of cellular processes.

Organic Ergastic Substances

Organic ergastic substances include compounds such as starch, proteins, fats, resins, and essential oils. These substances are synthesized by the cell and serve functions like nutrient storage and protection against pests or pathogens.

Inorganic Ergastic Substances

Inorganic ergastic substances encompass mineral deposits like crystals (for example, calcium oxalate and silica) and other inorganic salts. They can contribute to physical support, deter herbivory, or sequester excess ions within the plant cell.

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