Chapter 4.1 - 4.4
Across
- 1. forms a flexible boundary between the living cell and its surroundings
- 3. carry genes made up of DNA
- 6. this electron microscope is used to study cell surfaces
- 7. the ability to distinguish two nearby objects as separate
- 10. "little organs" that perform specific functions in the cell
- 11. ________ cells have a membrane-enclosed nucleus and organelles
- 12. this electron microscope is used to study the internal cell structure
- 16. first type of microscope created
- 17. the inside of prokaryotic and eukaryotic cells
Down
- 2. increase in an object's image size compared to its actual size
- 3. thick, jellylike fluid that suspends cellular components
- 4. function in energy processing
- 5. phospholipids group together to form a two-layer sheet called a phospholipid __________
- 8. focuses a beam of electrons through a specimen or onto its surface
- 9. all living things are composed of cells and that all cells come from other cells
- 13. structures that make proteins
- 14. locomotion organelles of some cells
- 15. where DNA is found in prokaryotic cells