What is a nucleus.
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is the heart of the cell

Explanation:

First off please don’t put you personal information as it comes off as sketchy and worrisome. And a nucleus is a membrane-bound organelle that contains the cell's chromosomes.

One question  you could  ask  is why are lights on police cars red and blue? you can begin to answer this question by saying, the original color was red but it was harder to see so they used red and blue together to create more visible lights. you can ask another question about red  ink and talk about pros and cons of using them to grade papers. you can then put where you got your information and turn in your assignment!