This topic contains a solution. Click here to go to the answer

Author Question: What is the purpose of the addition of aqueous ammonia during the synthesis of DNA? a. Cleavage of ... (Read 15 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tennis14576

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

d

Answer to Question 2

c




laurencescou

  • Member
  • Posts: 593
Reply 2 on: Aug 23, 2018
:D TYSM


bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
Excellent

 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

For a complete list of videos, visit our video library