Science Homework Help

I’m studying for my Biology class and don’t understand how to answer this. Can you help me study?

1.Describe the structure of a nucleotide and explain how nucleotides polymerize to form

nucleic acids.

2.Describe the secondary structure of DNA and explain how it allows organisms to store and copy information.

3.Compare and contrast RNA and DNA in their structure and function.

4.Use experimental evidence to evaluate the hypothesis that RNA was the first “living

molecule.”