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The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
Edition 6ISBN: 978-0077280086The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
Edition 6ISBN: 978-0077280086 Exercise 2
While it is still unknown how the first cells formed, scientists suspect that the first active biological macromolecule was
a. protein.
b. DNA.
c. RNA.
d. carbohydrates.
a. protein.
b. DNA.
c. RNA.
d. carbohydrates.
Explanation
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The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
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