Across
- 3. An organized package of DNA found in the nucleus of the cell.
- 5. An organelle that produces energy through photosynthesis.
- 7. a genus of unicellular flagellate protists.
- 10. The basic unit of life in organisms of the kingdom Plantae.
- 11. A double layer of lipids and proteins that surrounds a cell.
- 13. Slender, microscopic, hair-like structures or organelles that extend from the surface of nearly all mammalian cells.
- 16. A green single-celled aquatic organism in which forms minute free-swimming spherical colonies.
- 18. A rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.
- 20. Having or consisting of one cell.
- 21. A single-celled freshwater animal that has a characteristic slipper-like shape and is covered with cilia.
Down
- 1. A common single-celled green alga that lives in water and moist soil and typically has two flagella for swimming.
- 2. A single-celled alga which has a cell wall of silica.
- 3. The jellylike material that makes up much of a cell, inside the cell membrane, and, in eukaryotic cells, surrounds the nucleus.
- 4. A network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane.
- 6. A sedentary trumpet-shaped single-celled animal that is widespread in freshwater.
- 8. A long, lash-like appendage serving as an organ of locomotion in protozoa, sperm cells, etc.
- 9. The basic unit of life in organisms of the kingdom Animalia.
- 12. Having or consisting of many cells.
- 14. A very small and simple organism consisting of only one cell.
- 15. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
- 17. A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid.
- 19. This is like the brain of the cell. It helps control eating, movement, and reproduction.
