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toratek toratek
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7 years ago
A long, two-stranded molecule shaped like a double helix is the structure of 

A)

proteins.

B)

ribonucleic acid (RNA).

C)

uracil and adenine.

D)

deoxyribonucleic acid (DNA).

E)

cytosine and guanine.
Textbook 
Physical Anthropology and Archaeology, Canadian Edition

Physical Anthropology and Archaeology, Canadian Edition


Edition: 3rd
Authors:
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Physical Anthropology and Archaeology, Third Canadian Edition, 3/E (Ember, Peregrine)

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#1
7 years ago
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toratek Author
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#2
7 years ago
Thanks for helping me with my anthro hw
Physical Anthropology and Archaeology, Third Canadian Edition, 3/E (Ember, Peregrine)
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