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Biology, 07.10.2020 09:01 jaxonsensintaff

A 3. What is contained in the nucleus of an atom?

A: Protons and neutrons
B: Electrons
C: Neutrons only
D: The DNA and chromosomes

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Answers: 2

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A 3. What is contained in the nucleus of an atom?

A: Protons and neutrons
B: El...
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