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c. Coarse Focus Knob

9. Both plant and animal cells have a ______ ________________ to protect and control what

goes inside the cell.

a. cell wall

b. cell membrane

c. chloroplast

d. nucleus

10. Both plant and animal cells have a round ________________ which holds the cells DNA.

a. cell wall c. nucleus

b. cell membrane d. mitochondria

11. This part of plant and animal cells holds the water in cells. It is much larger in plant cells.

a. vacuole

b. nucleus

c. mitochondria

d. chloroplast

12. This part of the cell creates energy from the food that animals, humans or plants eat or make

so the cell can work.

a. vacuole

b. nucleus

c. mitochondria

d. chloroplast

13. This green organelle only found in plant cells, helps plant cells capture energy from the sun.

a. vacuole

b. nucleus

c. mitochondria

d. chloroplast

14. A _______ _______ is only found in plant cells and it helps provide structure and support

for plant cells since they do not have a skeleton to hold up their cells.

a. cell wall

b. cell membrane

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c. nucleus

d. mitochondria

15. This is the boss of any cell. It is found in the command center of the cell, called the nucleus.

a. Chloroplasts

b. DNA

c. Cell membrane

d. Mitochondria

16. During this process, stem cells change into cells with special jobs like muscle cells, brain cells

and red blood cells.

a. Specialization

b. Differentiation

c. Mitosis

d. Osmosis

17. Stem cells are cells that dont have a specific _ _ _ yet.

18. Stem cells usually come from the many divisions of a ___________ egg.

a. old

b. fertilized

c. chicken

19. This is the name of the process which creates more cells out of one cell.

a. Specialization

b. Differentiation

c. Mitosis

d. Osmosis

20. When cells are getting ready to multiply the DNA inside the nucleus first coils to form______________. (Check your mitosis notes for the correct word, very important!)

21. During the first step in mitosis, the DNA inside the parent cell _________ to make

chromosomes.

a. straightens out

b. doubles

c. replicates

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d. coils

22. During the second step in mitosis, the chromosomes inside the nucleus then.

a. Disappear

b. Replicate

c. Uncoil

d. Dissolve

22. Draw what happens to the chromosomes in the third step of mitosis.:

23. In this third step of mitosis, the parent cell is getting ready to..

a. Die

b. Divide

24. In the last step of mitosis, the parent cell divides and produces two daughter cells with

a. identical chromosomes (coiled DNA)

b. half as many chromosomes than the original parent cell

c. twice as much DNA as the parent cell.

25. You know that the picture above is an animal cell

because

a. it does not have a nucleus

b. it does not have a vacuole

c. it does not have a cell membrane

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27. Maria is looking at a green creature underwater, she wonders if it is a plant or sea-animal, what

could she do to check if the see creature is a plant or an animal?

Answer: ___________________________________________________________________

28. If a person was studying the DNA of a fish, they could find the fishs DNA in the fish cells.

a. Cytoplasm

b. Cell membrane

c. Nucleus

d. Vacuole

29.Which one of the following is something true that ALL cells can do?

a. multiply

b. make food

c. have a cell wall

30. Plant cells can make their own _________ from sunlight.

31. Animal cells are cells that belong to animals and ___________.

Use the plant cell below to answer questions 32 through 37.

26. You know this is a (animal/plant) _____________

because only these type of cells have chloroplasts.

A

B

C

D

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32. The structure labeled A is a: _________________________

33. The structure labeled B is a __________________________

34. The structure labeled C is a __________________________

35. The structure labeled D is a __________________________

36. The structure labeled E is a __________________________

37. The structure labeled F is a __________________________

E

F