Download CELL-STUDY-GUIDE

NAME __________________________________
CHAPTER 4 LESSON 1 STUDY GUIDE
CELLS AND THEIR FUNCTIONS
1. The smallest part of your body that carries out the activities of life is a ____________.
2. Cells are the basic units of all ___________________________________________.
3. Cells must do the following things to stay alive:
A) ______________________________________________________________
B) ______________________________________________________________
C) ______________________________________________________________
D) ______________________________________________________________
E) ______________________________________________________________
4. Most of the things your body does to stay alive are really done __________________
________________________________.
5. All cells have ________________________ of the same parts, and many parts have
____________________________________.
6. What does the cell membrane do? _______________________________________
____________________________________________________________________
____________________________________________________________________
7. What materials does a cell membrane allow to pass into and out of the cell?
Passing In: __________________________________________________________
Passing out: _________________________________________________________
8. The _______________________________ is the part of the cell that contains
chromosomes.
9. What do the chromosomes do? _________________________________________
___________________________________________________________________
10. Why is it important that the cell membrane keeps some materials out of a cell?
__________________________________________________________________
__________________________________________________________________
11. The ________________________________ are the cell’s power producers.
They combine ___________________ and _____________________ to release
energy in a process called cellular respiration.
12. _______________________ in the cell sometimes act like a stomach, storing and
breaking down material so it can be reused by the cell or removed as waste.
13. _________________________ are special vesicles in the cell that contain powerful
enzymes which can be used to break down large food particles into smaller
molecules or destroy organelles that have been damaged.
14. The gel-like fluid that contains the cell’s parts is called the ____________________.
It is all the material between the cell membrane and the nucleus that the organelles
float in.
15. What two additional parts does a plant cell usually have that are not found in animal
cells? _______________________________ and _________________________.
16. The _______________________ is stiff and lies outside of the cell membrane.
It gives the plant cells extra support and protection.
17. ___________________________ are cell parts that use energy in sunlight to
turn water and carbon dioxide into oxygen and ____________________________.
18. What is the green material in plant cells called?____________________________
19. How is this green material important in the production of sugar? _______________
__________________________________________________________________
20. Why is it important that the size of cells be within certain limits? _______________
_________________________________________________________________
_________________________________________________________________
21. How do cells replace old or damaged cells? ______________________________
_________________________________________________________________
KNOW THE PARTS OF THE CELLS AND BE ABLE TO CORRECTLY IDENTIFY THEIR LOCATION
WITHIN THE CELLS.