Writing Homework Help

I’m working on a biology discussion question and need an explanation to help me learn.

• 1) [3 of them] Describe and compare the three main types of weak chemical bonds that exist in biological systems. Why is it advantageous for the cell to use macromolecules whose shapes are determined by a collection of weak chemical bonds rather than solely by strong chemical bonds? 

3)[4] Describe at least three (3) major differences between the structures and properties of deoxyribonucleic acids and ribonucleic acids. 

4)[5] What are the major differences between B, A, and Z-DNA?

5)[6] Explain how topoisomerase works. (describe steps in the mechanism using detail)

6)[4] Why can RNA, not DNA, have enzymatic activity?

7) [3] Given the RNA sequence below, propose a potential structure and label accordingly.