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10 votes
10 votes
Please help!!!

what do mature red blood cells lack, and as a result cannot produce protein or reproduce?
- mitochondria
-cell membrane
-sodium channels
-nuclei


User WhiteMist
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2 Answers

8 votes
8 votes
4th unciel! It’s easy
User Virthuss
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13 votes
13 votes

Answer:

4th answer nuclei

User Nick Grealy
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