Which of the Following Results, from Research Conducted by Nancy

question 11

Multiple Choice

Which of the following results, from research conducted by Nancy Johnson on big blue stem grass, suggested that mycorrhizal plants had greater access to nutrients?

• A) root:shoot ratios were significantly lower in plants with mycorrhizae
• B) root:shoot ratios were significantly higher in plants with mycorrhizae
• C) root:shoot ratios were equal in plants with and without mycorrhizae
• D) root:shoot ratios were highest in treatments without nitrogen supplements
• E) root:shoot ratios were lowest in the treatment with nitrogen supplements

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Definitions:

Dementia

A broad category of brain diseases that cause a long-term and often gradual decrease in the ability to think and remember.

Percent

A proportion or share in relation to a whole, represented as a part of one hundred.

Acetylcholine

A neurotransmitter in both the central and peripheral nervous system that plays an important role in muscle movement and cognitive processes.

Cognitive Decline

The gradual reduction in cognitive abilities, such as memory, thinking, and judgment, often associated with aging or neurological conditions.