Explain Why the E-R Model Needed to Be Expanded into the Enhanced

question 84

Essay

Explain why the E-R model needed to be expanded into the enhanced E-R model.

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Definitions:

Peroxisome

A small, membrane-bound organelle found in the cytoplasm of eukaryotic cells, involved in processes such as lipid metabolism and the detoxification of harmful substances.

Cotyledons

The primary leaves of a seedling, emerging from the embryo of a seed, important for the initial photosynthesis and nutrient absorption in many plants.

Eudicot

A major group of flowering plants that are characterized by having two seed leaves or cotyledons upon germination.

Integuments

Layers of protective tissues surrounding the ovules of plants, which develop into the seed coat upon fertilization.