Part 1 DNA Structure and Function

What does DNA stand for?

• Deoxyribonucleic acid

• Ribonucleic acid

• Deoxyribose nucleic acid

• Ribose nucleic acid

What are the four possible nitrogen bases in DNA?

• Adenine, Guanine, Cytosine, Thymine

• Adenine, Guanine, Cytosine, Uracil

• Adenine, Guanine, Thymine, Uracil

• Adenine, Cytosine, Thymine, Uracil

Which nitrogen base pairs with Thymine?

• Adenine

• Guanine

• Cytosine

• Uracil

Which nitrogen base pairs with Guanine?

• Adenine

• Thymine

• Cytosine

• Uracil

What is the shape of DNA?

• Double helix

• Single strand

• Triple helix

• Spiral

What is the composition of the sides of the DNA ladder?

• Sugar (deoxyribose) molecules and phosphates

• Nitrogen bases

• Hydrogen bonds

• Purines and pyrimidines

What makes up the rungs (steps) of the DNA ladder?

• Sugar (deoxyribose) molecules and phosphates

• Nitrogen bases

• Hydrogen bonds

• Purines and pyrimidines

What is the term used to describe the twisted shape of DNA?

• Double helix

• Single strand

• Triple helix

• Spiral

DNA contains the instructions for 

• lipids
• proteins
• saturated fats
• carbohydrates

The basic building blocks of DNA are 

• amino acids
• lipids
• carbohydrates
• nucleotides