Which Statement Is NOT True

question 11

Multiple Choice

Which statement is NOT true?

• A) Most bacteria are capable of using ammonia as their sole nitrogen source.
• B) Most available nitrogen is in organic forms.
• C) Nitrogen is a major component of proteins and nucleic acids.
• D) Some bacteria are able to use nitrates or nitrogen gas as their nitrogen source.

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Definitions:

Vessel Elements

are elongated cells found in the xylem of plants, facilitating water transport.

Sclerenchyma Fibers

Thick-walled, rigid cells that provide structural support to plants, often found in stems, leaves, and roots.

Root Hairs

Small hair-like structures extending from a plant's root, increasing surface area for water and nutrient absorption.

Epidermis

The outermost layer of cells covering an organism, particularly in plants and animals, serving as a protective barrier against the environment.