Cell Crossword

4. less technical term for erythrocyte.
7. the definite outside wall of a plant cell
9. a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus
12. one millionth of a meter.
15. to exist beforehand.
19. An English natural philosopher, architect and polymath.
21. an optical instrument for forming magnified images of small objects
23. a scientific theory which describes the properties of cells.
27. is the male reproductive cell
28. a form of active transport in which a cell transports molecules.
29. a space or vesicle within the cytoplasm of a cell

1. the lens in a telescope or microscope nearest to the object observed.
2. the semipermeable membrane surrounding the cytoplasm of a cell.
3. something that helps prevent pregnancy.
5. uses focused light and lenses to magnify a specimen, usually a cell.
6. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
8. a dense organelle present in most cells
10. the part of the telescope where you attach the material being looked at on.
11. green plant cells which contains chlorophyll and in which photosynthesis takes place.
13. eukaryotic cells that differ in several key aspects from the cells of other eukaryotic organisms.
14. the material within a living cell, excluding the nucleus.
16. Jansen the man who created the first optical telescope.
17. an eye piece for a microscope and telescope
18. a transmissible optical device that affects the focus of a light beam through refraction.
20. the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
22. cells that are specialized to carry "messages" through an electrochemical process.
24. eukaryotic cells that differ in several key aspects from the cells of other eukaryotic organisms.
25. one thousand-millionth of a meter.
26. another way of saying programmed cell death.