Clay compounds werthought to boriginal sites for thformation of
A) amino acids.
B) sugars.
C) polysaccharides.
D) protein chains.
E) lipid molecules.
Correct Answer:
Verified
Q19: Malaria is likely to bendemic in
A)Russia.
B)North China.
C)Gabon.
D)Belgium.
E)New
Q20: Microorganisms may possibly adapt to which of
Q21: Thfirst organisms
A)had to be autotrophic.
B)were parasitic.
C)obtained energy
Q22: Photosynthetic organisms using thoxygen-releasing pathway appeareon earth
Q23: Two researchers suggestein th1960s that _ may
Q25: Experiments likthosperformeby Stanley Miller in th1850s demonstrated
A)that
Q26: Thfirst organisms
A)absorbed their food supplies from the
Q27: Increasin thpopulation of photosynthetic bacteria using thoxygen-releasing
Q28: Which of thfollowing scientists suggestethat RNA may
Q29: Which of thfollowing sites may havbeen thsitof
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