| A | B |
|---|
| What is the name for the shape of DNA? | double helix |
| How many strands of nucleotides do DNA molecules have? | 2 |
| How many strands of nucleotides do RNA molecules have? | 1 |
| Which type of nucleic acid can leave the nucleus? | RNA molecules |
| Which type of nucleic acid contains the nitrogen bases A, T, C, and G? | DNA molecules |
| What holds complementary nitrogen bases together? | hydrogen bonds |
| What are the parts of a nucleotide? | phosphate, sugar, and nitrogen base |
| The letters A, T, G, and C are considered _____. | nitrogen bases |
