Answer:
DNA
Explanation:
dna has a double helix structure. making it look like a spiral staircase
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Hello!
❖ During the g2 phase, growth and final preparation for mitosis occurs.
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~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ
Answer: the answer is D
6h20
the middle of metaphase I
