Multiple Choice
What can scientists study to gain a better understanding of prokaryotic life on Earth millions-if not billions-of years ago?
A) microfossils of bacteria
B) stromatolites and sediments
C) carbon isotopes in limestone
D) molecular (lipid) fossils
E) All of these choices are correct.
Correct Answer:
Verified
Correct Answer:
Verified
Q18: Recall that Archaea and Bacteria used to
Q19: DNA sequences can change at different rates
Q20: A high school student in Nepal is
Q21: Why are genes associated with nitrogen fixation
Q22: Humans provide ecological niches for bacterial populations.
Q24: Fermentation yields an amount of energy equivalent
Q25: Given its prevalence in the intestines of
Q26: Molecular features that distinguish major groups of
Q27: Archaea and Bacteria are involved in which
Q28: Given the features found individually in Archaea,