**Question 20**The molecules shown below are:[Diagram showing two nucleotide structures labeled A and B]- **A:** Structure labeled A is depicted as a deoxyribose sugar attached to a nitrogenous base.- **B:** Structure labeled B also shows a deoxyribose sugar linked to a different nitrogenous base.**Multiple Choice Answers:**- ○ A = deoxyadenylate; B = thymidylate- ○ A = deoxythymidylate; B = guanylate- ○ A = adenylate; B = deoxythymidylate- ○ A = guanylate; B = deoxyadenylate- ○ A = deoxyadenylate; B = uridylate**Explanation:**Each molecule comprises a sugar (deoxyribose), a phosphate group, and a nitrogenous base, distinguishing them as nucleotides. The differences in their nitrogenous bases help identify the specific nucleotides. The options provide pairings of potential identities for each structure.

DNA consists of three types of component: phosphate, a sugar called deoxyribose, and four…

Answered: The molecules shown below are: CH HN HN…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The molecules shown below are: CH HN HN CH2 H. OH H OH OH O A= deoxyadenylate; B = thymidylate A= deoxythymidylate; B = guanylate A = adenylate; B = deoxythymidylate O A= guanylate: B = deoxydenylate A = deoxyadenylate: B = uridylate