What are toxins?

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Multiple Choice

What are toxins?

Explanation:
Toxins are poisonous substances produced by living organisms. They cause harm by interfering with normal bodily functions and are often used by organisms for defense, predation, or competition. Because they originate from living sources, toxins cover compounds made by bacteria, plants, and animals (for example, botulinum toxin or ricin). This is why the description of toxins as harmful substances produced by living organisms is the best fit. The other options describe inert materials, substances that boost immune responses, or non-biological toxins generated by machines, none of which match the living-origin, poisonous nature of toxins.

Toxins are poisonous substances produced by living organisms. They cause harm by interfering with normal bodily functions and are often used by organisms for defense, predation, or competition. Because they originate from living sources, toxins cover compounds made by bacteria, plants, and animals (for example, botulinum toxin or ricin). This is why the description of toxins as harmful substances produced by living organisms is the best fit. The other options describe inert materials, substances that boost immune responses, or non-biological toxins generated by machines, none of which match the living-origin, poisonous nature of toxins.

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