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Author Question: What is the purpose of the addition of aqueous ammonia during the synthesis of DNA? a. Cleavage of ... (Read 22 times)

laurencescou

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on: Aug 23, 2018
What is the purpose of the addition of aqueous ammonia during the synthesis of DNA?
 a. Cleavage of the ester bond to the silica support
  b. Removal of the groups protecting the free amino group of the bases
  c. Removal of the protecting group of the 5' OH of the sugar
  d. Ammonia accomplishes all of the above.

Question 2

During DNA synthesis, the free amino group does not need to be protected for which base?
 a. Adenine
  b. Guanine
  c. Thymine
  d. Cytosine


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tennis14576

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Reply #1 on: Aug 23, 2018
Answer to Question 1

d

Answer to Question 2

c


laurencescou

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Reply 2 on: Aug 23, 2018
Wow, this really help

sultansheikh

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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