Which of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.
Which of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.
Chapter18: Life's Origin And Early Evolution
Section: Chapter Questions
Problem 11SA: A rise in oxygen in Earths air and seas set the stage for the evolution of _______. a. aerobic...
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Which of these steps probably occurred first in the chemical and
biological evolution of life?
a. The cell membrane of a protobiont formed.
b. The first organic molecules formed.
c. The original genetic material was RNA.
d. Simple organic monomers formed from inorganic materials.
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