IB HL Biology - DNA replication

Which of these are true of DNA but not RNA?

• Made of nucleotides

• Is a polymer

• Double-stranded

• Has a sugar-phosphate backbone

• Contains thymine

In a nucleotide, which carbon in the pentose sugar is attached to the base?

• C₁

• C₂

• C₃

• C₄

• C₅

In a nucleotide, which carbon in the pentose sugar is attached to the phosphate?

• C₁

• C₂

• C₃

• C₄

• C₅

What is the name of the bond formed between nucleotides during nucleic acid synthesis?

During DNA synthesis, the phosphodiester bond is formed between the phosphate on one nucleotide and which carbon in the other nucleotide?

• C₁

• C₂

• C₃

• C₄

• C₅

Name the base usually shortened to A

Name the base usually shortened to C

Name the base usually shortened to G

Name the base usually shortened to T

Name the base usually shortened to U