Answer is A. restriction enzyme
In biology ,Restriction enzyme is known as a scissor.
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During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle.
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chemical composition,cells, tissues,organs,organ systems,organism.
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Some versions have more steps, while others may have only a few. However, they all begin with the identification of a problem or a question to be answered based on observations of the world around us.
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please give brainliest
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I think the answer is the first one I might be wrong
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