You Are Part of a Desert Plant Research Team Trying

question 38

Multiple Choice

You are part of a desert plant research team trying to discover crops that will be productive in arid climates.You discover a plant that produces a hormone under water-deficit conditions that triggers a suite of drought responses.Most likely the hormone is

• A)ABA.
• B)GA.
• C)IAA.
• D)2,4-D.

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Definitions:

Proposition

A statement that expresses a judgement or opinion which can be either true or false.

Modus Ponens

A logical argument form where if a conditional statement ("if p then q") and its antecedent (p) are true, then the consequent (q) is also true.

Antecedent

In logic and grammar, the antecedent is the preceding clause, phrase, or word to which another word, particularly a pronoun, refers back.

Pure Hypothetical

A speculative statement or proposition that is considered in abstraction from any particular instance or factual situation.