Abscisic Acid Synthesized in the Root Travels to Different Parts

question 36

Multiple Choice

Abscisic acid synthesized in the root travels to different parts of the shoot where it regulates transpirational water loss.What is the most likely way that ABA travels from the root to the various locations within the shoot?

• A)vessels and tracheids
• B)sieve tubes
• C)between cell walls
• D)from cell to cell through the plasmodesmata

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Definitions:

Normative Economic Statement

A statement that reflects an opinion, which cannot be proved or disproved by reference to the facts.

Hypothesis

A theory about how key variables relate.

Scientific Method

A systematic and empirical approach to research in which a question is identified, relevant data is gathered, a hypothesis is formulated, and the hypothesis is empirically tested.

Economic Variables

Key factors or indicators that reflect the economic performance or position of an economy, such as GDP, inflation, and unemployment rate.