Cells Crossword

3. Cells that contain a nucleus and other membrane-bound organelles.
5. A sac used to store food, enzymes and other materials needed by a cell.
7. Cells without a nucleus or other membrane-bound organelles.
8. Proteins that move needed substances or waste materials through the plasma membrane.
9. A supporting network of long, thin protein fibers that form a framework for the cell and provide an anchor for the organelles
10. A membrane system of folded sacs and interconnected channels that serves as the site for proteins and lipids synthesis.
11. Vesicles that contain substances that digest excess or worn out organelles and food particles.
13. The organelles that help manufacture proteins.
15. A thick rigid mesh of fibers that surrounds the outside of the plasma membrane, protects the cell and gives it support.
17. Short numerous projections that look like hairs.
18. A model that shows how phospholipids within the bilayer allow other molecules to move around like apples floating in water.
20. A flattened stack of membranes that modifies sorts and packages proteins into sacs called vesicles.
22. The basic structural and functional unit of all living organisms.
23. Organelles that convert fuel particles (mainly sugars) into usable energy
24. A distinct central organelle that contains the cells genetic material in the form of DNA.

1. Organelles made of microtubules that function during cell division.
2. A membrane which allows some substances to pass through while keeping others out.
4. A membrane in which two layers of phospholipids are arranged tail to tail.
6. Organelles that capture light energy and convert it to chemical energy through the process called photosynthesis.
9. All living things are composed of one or more cells, cells are the basic unit of life, and cells arise only from previously existing cells.
12. The site of ribosome production in the nucleus.
14. A special boundary that helps control what enters and leaves the cell.
16. The semi fluid material inside the plasma membrane
19. Specialized structures that carry out specific cell functions.
21. Projections that move with a whip like motion, that are longer and less numerous than cilia.