Cell Biology

2. Cell any cell produced by the division of a parent cell
3. Protein a protein that carries molecules and ions into a cell or throughout the body
7. Cycle the complete sequence of phases in which a cell divides
8. allowing only certain substances to pass through, while blocking passage of other substances
11. the action of a catalyst, a chemical that speeds up a chemical reaction
13. the phase where the cell is divided to make more cells
14. a protein that speeds up a specific chemical reaction within an organism

1. lipid with a phosphate head attached to two long lipid tails
4. a group of organic compounds in cells that do not dissolve in water
5. the process by which DNA is copied within each cell
6. a structure composed of DNA wrapped with proteins
9. proteins that control progress of cells through the cell cycle
10. any of more than 100 diseases that result when cells lose the normal controls that regulate their growth and divison in the cell cycle
12. Transport movement of a substance from lower concentration to higher concentration through a protein carrier