Quiz Cells

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Cells


True/False
Indicate whether the sentence or statement is true or false.
 

1. 

Robert Hooke observed cork cells under a microscope.
 

2. 

Anton van Leeuwenhoek concluded that all plants are composed of cells.
 

3. 

All living things are composed of many cells.
 

4. 

A cell is the smallest unit that can carry on all the processes of life.
 

5. 

Inside smaller cells, materials and information can be transported more quickly.
 

6. 

Membranes are selectively permeable if they allow only certain substances to diffuse across them.
 

7. 

Lysosomes carry on cellular respiration.
 

8. 

Microtubules and microfilaments form the cytoskeleton of cells.
 

9. 

Colonial organisms differ from single-celled organisms in that each cell cannot support its own existence.
 

Completion
Complete each sentence or statement.
 

10. 

The statement that “cells are produced only from existing cells” is part of the ____________________.
 

 

11. 

The ratio of surface area to volume puts limitations on a cell’s ____________________.
 

 

12. 

Eukaryotic cells are much larger and have more specialized functions than prokaryotic cells because they contain ____________________ which take up space and carry out specialized activities.
 

 

13. 

A cell with a well-defined nucleus surrounded by a nuclear membrane is called a(n) ____________________ cell.
 

 

14. 

A cell membrane is said to be ____________________ permeable because it allows the passage of some solutes and not others.
 

 

15. 

____________________ molecules have “heads” and “tails” and are found in the cell membrane.
 

 

16. 

Scientists have discovered that cells contain smaller specialized structures known as ____________________.
 

 

17. 

The spherical organelles that are the site of protein synthesis in a cell are the ____________________.
 

 

18. 

The meshlike network of protein fibers that supports the shape of the cell is called the ____________________.
 

 

19. 

The fluid portion of the cytoplasm is called the ____________________.
 

 

20. 

Photosynthesis takes place in the ____________________ of plant cells.
 

 


 
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