Across
- 4. how body cells are made in eukaryotes
- 7. the combination of genes for one or more traits
- 9. a green pigment in plants and algae where photosynthesis occurs
- 11. the period of a cell cycle where a cell spends most of its life
- 13. an organism's appearance or detectable traits
- 17. a fat molecule
- 20. the powerhouse of the cell
Down
- 1. normally you have 46 of these
- 2. the duplication of a DNA molecule
- 3. the shape of DNA
- 5. one of the small bodies in a cell's cytoplasm
- 6. an organism made of one or more cells
- 8. the diffusion of water through a semipermeable membrane
- 10. transports water from roots to cells
- 12. the maintenance of a constant internal state in a changing environment
- 14. how plants make food
- 15. transports nutrients made in leaf cells to all parts of the plant
- 16. a single-celled organism
- 18. a change in the nucleotide-base sequence
- 19. how gametes are made