The ____ ion is required for ribozymes to become active and begin self-replication.
A) ferrous iron
B) ferric iron
C) zinc
D) magnesium
E) selenium
Correct Answer:
Verified
Q2: The famous Miller-Urey experiments provided crucial support
Q3: Ribozymes may have originally developed by _.
A)
Q4: Early biological activity may be found in
Q5: The first information storage molecule was probably
Q6: The ancestor of the three domains of
Q7: Where did Earth's atmosphere originate?
A) Earth's gravity
Q8: Molecules that are able to store and
Q9: Modern cells are thought to have arisen
Q10: Why is the distance of Earth from
Q11: Organic macromolecules may have formed by _.
A)
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