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.
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter11: Evolution And Its Processes
Section: Chapter Questions
Problem 8RQ: The wing of a bird and the arm of a human are examples of ______. a. vestigial structures b....
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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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