Biology Practice Problems Nucleic Acids Practice Problems Solution: The rungs of the DNA ladder:   a. Are formed by b...

Solution: The rungs of the DNA ladder:   a. Are formed by base pairs joined by covalent bonds b. Are formed by base pairs joined by hydrogen bonds c. Are formed by base pairs joined by phosphodiester bonds  

Problem

The rungs of the DNA ladder:  

a. Are formed by base pairs joined by covalent bonds

b. Are formed by base pairs joined by hydrogen bonds

c. Are formed by base pairs joined by phosphodiester bonds