Mr. Kruger [BIOLOGY 12: UNIT A
]Name:
Cell Structure Worksheet
1.
2.
3.
4.
NUCLEUS
How are chromatin and chromosomes similar?
When are chromosomes visible?
What is the function of the nucleus?
What barrier must molecules cross to move in and out of the nucleus?
NUCLEOLUS
5. Where is the Nucleolus located?
6. What is the function of the Nucleolus?
CHROMATIN
7. Where is Chromatin located?
8. Chromatin condenses into rod-like structures called?
CHROMOSOMES
9. Chromatin and hence Chromosomes are made up of molecules of hereditary
material called?
CYTOPLASM
10. The is the two main functions of the cytoplasm?
CELL MEMBRANE
11. Name the properties of the cell membrane?
12. Define Hydrophobic and Hydrophilic?
13. What is the function of the cell membrane?
14. What is the function of the proteins in the cell membrane?
SMOOTH ENDOPLASMIC RETICULUM
15. What does the Smooth E.R. produce?
16. Where is the E.R. located?
17. How does the structure of the Smooth E.R. differ from that of rough E.R.?
ROUGH ENDOPLASMIC RETICULUM
18. What does Rough E.R. produce?
GOLGI BODY
19. What is the main function of the Golgi Apparatus?
20. Describe the appearance of the Golgi Body?
Mr. Kruger [BIOLOGY 12: UNIT A
]Name:
VESICLE
21. What is the difference between a vesicle and a vacuole?
22. What is the function of the vesicle?
23. List the two ways that vesicles can be produced?
LYSOSOMES
24. What organelle produces the Lysosomes?
25. What do the Lysosomes contain?
26. Give an example of what a Lysosomes digests?
RIBOSOMES
27. What is the function of the Ribosome?
28. What do you call several Ribosomes together?
MITOCHONDRIA
29. What are the products of the Mitochondria?
30. What do Mitochondria use for raw materials?
31. What is the inner membrane of the mitochondria called?
32. The inner fluid of the mitochondria is called?
CYTOSKELETON
33. Give the functions of the cytoskeleton?
34. What molecules make up the cytoskeleton?
MICROFILAMENTS
35. Give a brief description of a microfilament?
MICROTUBULES
36. How do microtubules compare with microfilaments?
37. What molecule is found in microtubules?
CENTRIOLES
38. The central cylinders in centrioles are actually what?
39. What does a 9 + 0 pattern mean?
40. What is the function of a basal body?
41. What function do the centrioles seem to have?
CILIA
42. How do cilia and flagella differ in appearance?
43. What is the pattern of microtubules in cilia and flagella?
FLAGELLA
44. What is the function of the flagella?