Cells

1. Which of the following is NOT a type of tissue?
5. ______ is known as programmed cell death
6. Which organelle is responsible for protein synthesis and can be freely floating in the cytoplasm or attached to other organelles?
10. _____ are specialized for transmitting electrical impulses and communication throughout the body.
11. A chemical _____ must go to its correct receptor site or it cannot communicate with the cell.
13. What organelle can be use to isolate materials that may be harmful to the cell?
15. Cell _____ is the study of microscopic anatomy of cells and tissues of plants and animals.
16. _______is how cells devide its nucleus and DNA into two identical new cells.
18. What is the structure that surrounds the cells separating its internal environment from the external surroundings and is composed of a lipid bilayer?
19. Which type of tissue is compsed of myocytes which are specialized for contraction and movement of the body?
21. Stores proteins to use later for manufacturing enzymes and hormones.

2. A gel-like substance filling the space within the cell.
3. Cells are typically too small to be seen without the aid of a microscope
4. When a cell dies which organelle releases enzymes that help destroy the cell membrane and create apoptosis
7. Known as the "powerhouse" of the cell because it converts oxygen and nutrients so they can be used as energy.
8. The ____ serves as the command center, or the brain of the cell controlling a multitude of functions.
9. Which type of tissues would collagen and elastin be?
12. Which type of muscle is found in the walls of organs and blood vessels?
14. Cells come together to form _______.
17. Which type of muscle is voluntary?
20. The final stage of the cell cycle.