Across
- 3. contains nitrogen bases
- 5. Organelle that contains chromosomes
- 6. One strand of this is attached to each chromosome
- 8. The DNA molecule contains a number of genes in which half of those genes are nucleic acids which are composed of a smaller unit
Down
- 1. Contained in gene molecules
- 2. small molecules which are also contained in a DNA strand
- 4. the building blocks of an organisms, which contains organelles such as the nucleus
- 7. smallest molecule within a chromosome