Chapter 7 Section 1

3. What contains cells genetic material in the form of DNA?
4. this is the basic structural and functional unit of all living organisms.
5. who is an English scientist that gives us the term cell?
6. the 2nd principle is "Cells are the _____ unit of structure."
8. Eukaryotic cells are how many times larger than prokaryotic cells?
10. What are specialized structures that carry out specific cell functions?
14. Scientists have grouped cells into how many broad categories?
17. one theory is that eukaryotic cells evolved from prokaryotic cells millions of _____ ago.
18. what helps control what enters and leaves the cell?
20. Do cells generally have a number of functions in common?
22. Organelles enable cell functions to take place in different _____ of the cell at the same time.
23. the first principle is that "All _______ organisms are composed of one or more cells.

1. in the late 1600s, what did Dutch scientist Anton design?
2. True or False? Cells differ based on functions they perform?
4. one of the fundamental ideas of modern biology and includes 3 principles.
7. What contains a nucleus and other organelles?
9. Scientists often stain cells with what to see them better when using a light microscope?
11. What produces a three-dimensional image?
12. Cells exist in various ______ and sizes.
13. What doesn't contain a nucleus or other organelles?
15. Many scientists think that prokaryotes are similar to the first what that lived on the earth?
16. Cells _______ down molecules to generate energy.
19. What plant is a eukaryote and starts with an a and ends in an e?
21. Each of your _____ cells has a plasma membrane.