What Are Advantages of Root Meristems Originating at the Pericycle

question 31

Multiple Choice

What are advantages of root meristems originating at the pericycle, rather than at other root structures (e.g., the epidermis) ?

• A)New roots form only at the tips of pre-existing roots, reaching deep water sources.
• B)New roots are directly connected to the xylem and phloem of pre-existing roots.
• C)New roots form outside of the Casparian strip and can absorb more nutrients.
• D)New roots can sprout from any location (i.e., not just nodes)on pre-existing roots.

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Definitions:

Epidermis

The outermost layer of skin that provides a waterproof barrier and creates our skin tone.

Mucosa

Mucous membrane consisting of epithelium and lamina propria. In the digestive tract, there is also a layer of smooth muscle.

Syncytiotrophoblast

A layer of multinucleated cells that form the outer layer of the blastocyst, contributing to the formation of the placenta in pregnancy.

Nonantigenic

Refers to substances that do not trigger an immune response by the body.