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Multiple Choice
A secondary plant compound might be used for which of the following purposes?
A
Cellular respiration
B
Photosynthesis
C
Primary metabolism
D
Defense against herbivores
Verified step by step guidance
1
Understand the role of secondary plant compounds: These are organic compounds that are not directly involved in the normal growth, development, or reproduction of plants. They often serve ecological functions such as defense mechanisms.
Differentiate between primary and secondary metabolism: Primary metabolism involves processes essential for the plant's survival, such as cellular respiration and photosynthesis. Secondary metabolism, on the other hand, produces compounds that help the plant interact with its environment.
Consider the ecological role of secondary compounds: Many secondary compounds are involved in plant defense, deterring herbivores and pathogens through toxicity, bitterness, or other means.
Evaluate the options given: Cellular respiration and photosynthesis are part of primary metabolism, which is essential for energy production and growth. Secondary compounds are not directly involved in these processes.
Conclude that secondary plant compounds are primarily used for defense against herbivores, as they help protect the plant from being eaten or damaged.