Which of the following cell organelles were discovered after the invention of electron microscope a.Mitochondria b.ER c.ribosomes d.both bandc?

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Which of the following cell organelles were discovered after the invention of electron microscope a.Mitochondria b.ER c.ribosomes d.both b&c?

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Which of the following cell organelles were discovered after the invention of electron microscope a.Mitochondria b.ER c.ribosomes d.both b&c?

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