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Which of the following defenses is MOST likely to protect a plant from a microbial pathogen?

A. Antibodies
B. CTL
C. Phagocytes
D. Reactive-oxygen species
E. CD4

User LDMJoe
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1 Answer

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Final answer:

Reactive-oxygen species are the most likely defense mechanism to protect plants from microbial pathogens.

Step-by-step explanation:

The defense mechanism that is most likely to protect a plant from a microbial pathogen is reactive-oxygen species.

Plants produce reactive-oxygen species, such as hydrogen peroxide and superoxide, as a response to microbial infections. These reactive-oxygen species can damage the pathogen's DNA and proteins, inhibiting their growth and replication.

Additionally, reactive-oxygen species can trigger the production of other defense mechanisms, such as antimicrobial proteins, to further protect the plant from the pathogen.

User TonyG
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