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Author Question: Instead of thymine, RNA uses the nucleotide base A) guanine B) uracil C) adenine D) ... (Read 92 times)

cabate

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Instead of thymine, RNA uses the nucleotide base
 
  A) guanine
  B) uracil
  C) adenine
  D) cytosine

Question 2

Ordinary matter in the form stars and planet makes up approximately what proportion of the total mass and energy in the universe?
 
  A) about 70 percent
  B) a few percent
  C) about 25 percent
  D) nearly a 100 percent



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Melissahxx

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Answer to Question 1

B

Answer to Question 2

B




cabate

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


lindahyatt42

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Reply 3 on: Yesterday
Excellent

 

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