Multiple Choice
Chemical evolution started on Earth ____.
A) after the appearance of prokaryotic cells
B) long before any cells emerged
C) after the appearance of eukaryotic cells
D) after the appearance of eukaryotic cells but before the appearance of multicellular organisms
E) after the appearance of multicellular organisms
Correct Answer:
Verified
Correct Answer:
Verified
Q2: _ is a field of study concerned
Q13: The by-product of the metabolism of cyanobacteria
Q32: Choose the most appropriate statement that matches
Q48: Choose the most appropriate statement that matches
Q50: Choose the most appropriate statement that matches
Q51: DNA is believed to have replaced RNA
Q52: Fossils indicate that the first cells were
Q57: According to the endosymbiont hypothesis, eukaryotic cells
Q58: Provide evidence to both support and refute
Q59: Which of these organisms is NOT included