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Prokaryotic and Eukaryotic Cells Answers

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Which experiments led to changes to the original cell theory?

experiments that showed that blood cells transport gases, waste, and nutrients throughout the body

experiments that showed that all cells are similar in how they metabolize and in their composition

experiments that transplanted synthetic chromosomes into bacterial cells to create a new species

experiments that established the existence of single-celled organisms and microbes

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According to the cell theory, which structure contains cells?

blood

water

carbon dioxide

chromosome

Which part of the cell theory is best explained by studying the ability of stem cells to divide and form additional cells?

All cells come from preexisting cells.

Cells are the basic units of structure and function of all living things.

All organisms are composed of cells.

All cells are similar in composition and metabolic activities.

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