DNA Structure Quiz

Which nitrogen base pairs with Thymine?

• Adenine
• Guanine
• Cytosine
• Arganine 

Which nitrogen base pairs with Guanine?

• Adenine
• Cytosine
• Thymine
• Arganine 

Which nitrogen base pairs with Adenine?

• Arganine
• Cytosine
• Guanine
• Thymine 

Which nitrogen base pairs with Cytosine?

• Arganine
• Thymine
• Guanine
• Adenine 

which nitrogen bases are purines?

• Thymine and Cytosine

• Adenine and Guanine

• Adenine and Thymine

• Guanine and Cytosine

which nitrogen bases are pyrimidines?

• Adenine and Guanine

• Thymine and Guanine

• Thymine and Cytosine

• Adenine and Cytosine

The backbone of the DNA structure is composed of:

• Sugar and Phosphate
• Sugar
• Phosphate
• Nitrogenous Base

The two ring nitrogen based are called:

• Thymine and Cytosine

• Adenine and Thymine

• pyrimidines

• purines

The one ring nitrogen based are called:

• Thymine and Cytosine

• Adenine and Thymine

• pyrimidines

• purines

The bond that holds the sugar and the phosphate together are STRONG bonds called:

• Hydrogen Bonds

• Nitrogen Bonds

• Carbon Bonds

• Peptide Bonds