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Characteristics of Bacteria Worksheet
Big Idea!
Bacteria are microscopic organisms that lack a membrane-bound nucleus and membrane-bound organelles.
Ideas
Bacteria are usually unicellular prokaryotes.
Bacteria reproduced by binary fission or conjugation.
Bacteria can survive harsh conditions by forming endospores.
Words
Plasmids
endospores
binary fission
conjugation
Part A
Match each lettered part of the diagram to its cell structure by writing its letter on the line provided.
_____ 1. DNA
_____ 2. Cell membrane
_____ 3. Flagella
_____ 4. Cell Wall
_____ 5. Pili
_____ 6. Cytoplasm
Part B
Match each term in Column B with its description in Column A by writing its letter on the line provided.
_____
_____
_____
_____
_____
_____
1.
2.
3.
4.
5.
6.
small pieces of circular DNA
chromosome replication, followed by cell division
picking up and incorporating DNA from dead bacterial cells
special, dehydrated cell formed when conditions are unfavorable
exchange of genetic material through cell-to-cell contact
hair-like structures on the surface of bacteria
a. binary fission
b. conjugation
c. endospore
d. transformation
e. pili
f. plasmid
Part C
Describe the process of binary fission shown in the diagram. Then answer the questions.
7. a.
b.
c.
d.
8. How does binary fission differ from conjugation?
9. What is the way in which Bacteria can share genetic information?
Identify the type of bacterial reproduction described. Use these choices: binary fission, conjugation.
_____________________
10. Bacterium with a new genetic makeup is produced.
_____________________
11. Circular chromosome is copied.
_____________________
12. Genetic material is transferred through a pilus.
_____________________
13. Two identical cells are produced.
_____________________
14. Sexual reproduction occurs.