DNA Structure Unit Test Questions

What are the THREE components of a nucleotide? (Select ALL that apply).

• Nitrogen Base

• Sugar

• Phosphate

• Hydrogen Base

• Phosphorus

What type of bond holds the hydrogen bases together?

• Covalent Bond

• Ionic Bonds

• Hydrogen Bond

What TWO components make up the backbone (sides) of the DNA? (Select all the apply). 

• Nitrogen Base

• Sugar

• Phosphate

• 1. Thymine

Match the bases with their corresponding pair.

• Thymine

• Adenine

• Cytosine

• Thymine

• Guanine

• Cytosine

• Adenine

• Guanine

What monomer is being shown in the image above that is the building block of DNA?

• Amino Acid

• Lipid
• Nucleotide

• Carbohydrate

Which of the following is NOT a property of DNA?

• Double stranded

• Single stranded

• Contains genetic information

• Made up of nucleotides