DNA Structure and Function Quiz

What does the 'D' in DNA stand for?

• Dioxide

• Dioxyde

• Dioxy

• Deoxy

Which of the following is NOT a type of RNA?

• mRNA

• tRNA

• rRNA

• dRNA

What is the structural shape of DNA?

• Quadruple helix

• Single helix

• Double helix

• Triple helix

Which nitrogen base pairs with adenine in DNA?

• Uracil

• Cytosine

• Guanine

• Thymine

What are the components of a nucleotide?

• Phosphate, sugar, nitrogen base

• Phosphate, lipid, nitrogen base

• Sugar, lipid, nitrogen base

• Phosphate, sugar, lipid

In the DNA backbone, what alternates with sugar?

• Protein

• Nitrogen base

• Lipid

• Phosphate

What shape is used to represent the nitrogen base in the simplified DNA model?

• Hexagon

• Circle

• Triangle

• Square

What does the term 'antiparallel' refer to in DNA structure?

• Strands that are parallel but not touching

• Strands running in opposite directions

• Strands that are perpendicular

• Strands running in the same direction

Which base pair is connected by three hydrogen bonds?

• Guanine and Cytosine

• Adenine and Thymine

• Guanine and Thymine

• Adenine and Cytosine

In complementary base pairing, which bases pair together?

• Adenine with Thymine, Guanine with Cytosine

• Adenine with Thymine, Cytosine with Thymine

• Adenine with Cytosine, Guanine with Thymine

• Adenine with Guanine, Thymine with Cytosine