Sample Test Questions -- Midterm 2
137. Primordial soup was found on Earth a. soon after it was formed b. for the first 4 billion years of Earth’s history c. from the beginning of the Earth until now d. never. 138. What do mitochondria and chloroplasts have that suggest they came from endosymbiotic cells? a. DNA b. enzymes c. membranes d. cell walls. 139. ................
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