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book The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison cover

The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison

النسخة 6الرقم المعياري الدولي: 978-0077280086
book The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison cover

The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison

النسخة 6الرقم المعياري الدولي: 978-0077280086
تمرين 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.
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There are many scientific visions regard...

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The Living World 6th Edition by George Johnson, Jonathan Losos,William Ober,Claire Garrison
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