Similarities in basic metabolic mechanisms indicate that all present-day cells on Earth descended from a single primordial ancestor.
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Q51: _ cells, the most commonly used cell
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Q53: _ is a light microscope technique for
Q54: In the _ microscope, imaging is restricted
Q55: In transmission electron microscopy, objects are imaged
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Q59: Photosynthesis first evolved in the green algae.
Q60: Compared to humans, E. coli has about
Q61: Higher plants and higher animals are similar
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