Across
- 6. The activity, role, value or purpose of a part, activity, or trait of an organism; the job a structure or part performs
- 7. Organelle that is responsible for controlling all cellular activities; control center or brain of the cell
- 10. Specialized organelles in eukaryotic cells that have a single or double layer of lipids surrounding them
- 11. The arrangement of parts in an organism
- 12. The smallest unit of life, smallest organism that can meet the 7 characteristics of life
- 13. Small, unicellular primitive organisms that do not contain a nucleus or membrane bound organelles.
- 14. Small, circular piece of DNA located in the cytoplasm of many bacteria
- 16. Process by which organisms maintain a relatively stable internal environment
- 17. Passive transport of any substance across a semipermeable cell membrane
- 18. A thread-like structure found in the nucleus of animal and plant cells that contains part or all of an organism's genetic material
- 19. The ability to allow certain molecules to enter or exit the cell while keeping others in or out
Down
- 1. Proteins that move materials across cell membranes and are essential for the life and growth of all living things
- 2. Passive transport across a membrane through a protein channel that does not require energy
- 3. Transport across a membrane that requires energy and a protein pump to move molecules from low to high concentration
- 4. Transport across a membrane that DOES NOT require energy (diffusion or osmosis); moves from high concentration to low concentration
- 5. Small specialized structure within a cell.
- 8. Device that produces magnified images of structures that are too small to see with the unaided eye
- 9. Membrane that contains the cell and separates the inside of the cell from its surroundings
- 14. Made of fatty acids and glycerol, they are the units that build cell membranes or boundaries
- 15. Unicellular or multicellular organisms that DO have a nucleus and specialized membrane bound organelles