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The marine nudibranch incorporates stinging cells called nematocysts
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Updated on: 17 May 2026, 06:36
Updated on: 17 May 2026, 06:36
Expert Reply
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Question Stats:
7% (01:01) correct
92% (01:10) wrong based on 13 sessions
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The marine nudibranch incorporates stinging cells called nematocysts - (i) ______ from the cnidarians it consumes - into its own tissue for defense. But the (ii) ______ of how the cells survive digestion and are redirected to the nudibranch's exterior has long puzzled biologists, since the animal does not (iii) _______ the cellular machinery needed to produce these structures independently.
| Blank (i) | Blank (ii) | Blank (iii) |
|---|---|---|
| A. extracted | D. consequence | G. regulate |
| B. neutralized | E. mechanism | H. possess |
| C. repurposed | F. frequency | I. develop |
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Re: The marine nudibranch incorporates stinging cells called nematocysts
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17 May 2026, 05:34
17 May 2026, 05:34
1
Would the explanation for C) repurposed is not the correct answer, because the word itself explains the mystery? I think it works better in the context of the first sentence alone, but in the context of the rest of the passage, it might be too strong.
The marine nudibranch incorporates stinging cells called nematocysts
[#permalink]
17 May 2026, 06:35
17 May 2026, 06:35
Expert Reply
The OA is A but I think is correct what you say
Physically, the nudibranch does extract (take out) the cells from the cnidarians it eats. It's a literal description of the biological event.
The sentence tells us that the nudibranch "incorporates" these cells "into its own tissue for defense."
- "Repurposed" means taking something belonging to one organism/system and using it for a new purpose in another.
- The phrase "into its own tissue for defense" explicitly provides the new purpose.
Physically, the nudibranch does extract (take out) the cells from the cnidarians it eats. It's a literal description of the biological event.
The sentence tells us that the nudibranch "incorporates" these cells "into its own tissue for defense."
- "Repurposed" means taking something belonging to one organism/system and using it for a new purpose in another.
- The phrase "into its own tissue for defense" explicitly provides the new purpose.
