Across
- 4. a molecule that contains the genetic information for an organism's development and function
- 7. A sac-like compartment inside a cell that has enzymes that can break down cellular components that need to be destroyed.
- 9. the process by which water molecules pass through a semipermeable membrane from an area of high water concentration to an area of low water concentration
- 11. a thread-like structure in the nucleus of a cell that contains DNA and genes
- 13. the process by which plants use sunlight to create oxygen and food.
- 15. a collection of tissues that structurally form a functional unit specialized to perform a particular function
- 16. a pigment that gives plants their green color
- 17. a constricted area in a chromosome that joins sister chromatids and attaches to spindle fibers
- 18. the gelatinous liquid that fills the inside of a cell
- 19. an intercellular structure made of both RNA and protein,
Down
- 1. an organelle inside animal cells that are made of microtubules and are involved in cilia, flagella and cell division
- 2. the process by which particles spread out from areas of high concentration to areas of low concentration
- 3. the physical process of cell division that splits a cell's cytoplasm into two identical daughter cells
- 5. the part of a cell that contains DNA and the central part of an atom
- 6. a sugar that provides energy for the body's cells
- 8. a process of chemical change in food or drink because of the action of yeast or bacteria, which may cause it to produce bubbles or heat, or turn sugars in it into alcohol:
- 9. a small structure within a cell that performs a specific function.
- 10. the process by which a cell divides to create two identical daughter cells
- 12. organelles, or tiny structures within cells, that produce energy.
- 14. an organelle in plant cells that converts sunlight into chemical energy through photosynthesis.
