Semester Exam
Across
- 6. a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane
- 10. organisms whose cells have a nucleus enclosed within a nuclear envelope
- 11. a membrane-bound cell organelle that contains digestive enzymes
- 12. an organelle found in most eukaryotic cells
- 14. microtubule-based hair-like organelles
- 15. also called the plasma membrane
- 16. a whip-like appendage on the cell body of certain cells
Down
- 1. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers
- 2. a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.
- 3. any of numerous minute particles in the cytoplasm of cells
- 4. a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles
- 5. a usually round part of most cells that is enclosed in a double membrane, controls the activities of the cell, and contains the chromosomes
- 7. a small organelle inside the cells of plants and algae
- 8. the gelatinous liquid that fills the inside of a cell
- 9. the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
- 13. specialized structures that perform various jobs inside cells