DNA structure Quiz

What are TWO parts of the DNA backbone?

• rungs

• hydrogen bond

• deoxyribose sugar

• phosphate

List the four nitrogenous bases of DNA:

What is molecule #1 on the diagram?

• Deoxyribose sugar

• hydrogen bond

• double helix

• phosphate

What is molecule #2 on the diagram?

• Deoxyribose sugar

• hydrogen bond

• phosphate

• rungs

What is indicated in #3 on the diagram?

• rungs

• hydrogen bond

• phosphate

• deoxyribose sugar

What is the shape of DNA?

• straight ladder

• single helix

• double helix

What is the name of the nitrogenous base that bonds with adenine in DNA?

• Adenine

• Thymine

• Guanine

• Cytosine

What is the name of the nitrogenous base that bonds with cytosine in DNA?

• Thymine

• Adenine

• Cytosine

• Guanine