What is the black/dark material that is visible in many of these onion cells?
A. roots
B. DNA...
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Biology, 26.02.2021 14:40 lcy1086526Lisa1026
What is the black/dark material that is visible in many of these onion cells?
A. roots
B. DNA
C. cell membranes
D. hair​
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Answers: 3
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