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Author Question: What are the rungs of a DNA spiral made up of? a. RNA b. four chemical bases arranged in pairs ... (Read 135 times)

Destiiny22

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What are the rungs of a DNA spiral made up of?
 
  a. RNA
 b. four chemical bases arranged in pairs
  c. enzymes
 d. ribosomes
 e. proteins

Question 2

What would a civilization within 60 light-years away be able to detect from Earth?
 
  a. our first TV transmissions
 b. our cellular phone transmissions
 c. our production of machines that create noise
  d. our excessive carbon emissions
 e. our wireless Internet transmissions



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hugthug12

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Answer to Question 1

b

Answer to Question 2

a




Destiiny22

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Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


lcapri7

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Reply 3 on: Yesterday
Excellent

 

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