The main difference between plant defense mechanisms that use secondary chemical
ID: 181475 • Letter: T
Question
The main difference between plant defense mechanisms that use secondary chemical metabolites vs plant defense mechanisms that use a systemic response is thatA. The metabolites can only help in defense against insects, not against other plants.
B. The metabolites are present at all times, and the systemic response must be induced.
C. The metabolites are a more reliable way to kill the invader.
D. The metabolites are toxic to the plants that produce them, the systematic response is safer. The main difference between plant defense mechanisms that use secondary chemical metabolites vs plant defense mechanisms that use a systemic response is that
A. The metabolites can only help in defense against insects, not against other plants.
B. The metabolites are present at all times, and the systemic response must be induced.
C. The metabolites are a more reliable way to kill the invader.
D. The metabolites are toxic to the plants that produce them, the systematic response is safer.
A. The metabolites can only help in defense against insects, not against other plants.
B. The metabolites are present at all times, and the systemic response must be induced.
C. The metabolites are a more reliable way to kill the invader.
D. The metabolites are toxic to the plants that produce them, the systematic response is safer.
Explanation / Answer
Secondary chemical metabolites are those which can provide defense to the plant against many fungal, bacterial and other thermal effects.
Since these secondary chemical metabolites are formed within the plant i.e. isoprene, volatile gas emitted during the photosynthesis, so they are present at all times.
In contrast to the secondary chemical metabolites, systemic response is given to plant in the form of external chemicals called plant activators. So, the systemic response must be induced to the plant.
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