What do scanning electron microscopes and transmission electron microscopes have in common? both generate three-dimensional images. both offer magnification to the atomic level. both are used to view the parts of a cell. both require a vacuum.

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What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.