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