"Cells and Life": HTML5 Crossword

Across

3. What do red blood cells carry? (6)
4. What type of cells have DNA that is not contained in a membrane bound nucleus? (10)
10. This special structure carries signals to the cell? (8)
11. What produces energy from sunlight, water, & carbon dioxide for the plant cell? (11)
12. What is the lens called at the top of a microscope? (8)
13. What states that all living things are made of one or more cells? (10)
15. What is the large knob that moves the stage up and down to focus a sample? (15)
17. What membrane-bound cell organelles break down sugars for energy? (12)
19. What organelle do frog red blood cells have that humans do not? (7)
20. What is the rectangular piece of glass where a sample is mounted on? (5)

Down

1. This special structure carries signals away from the cell? (4)
2. What gives a plant cell strength and stiffness? (8)
5. What are plant and animal cells classified as? (10)
6. What is the platform where a slide is placed on the microscope? (5)
7. What organelles store food and waste? (8)
8. What do white blood cells fight? (7)
9. What part of the cell lets things in and out? (12)
14. What organelle controls the cell? (7)
16. What special function helps muscle cells move? (9)
18. What is made of a jelly-like material that holds the organelles? (9)