Download Prokaryote Structure A prokaryote is a unicellular organism

Bio07_TR_U06_CH19.QXD
5/2/06
12:02 PM
Page 7
Name______________________________
Class __________________
Date ______________
Prokaryote Structure
A prokaryote is a unicellular organism that lacks a nucleus. Most
prokaryotes have a cell wall, a cell membrane, and cytoplasm. The
bacterium below is one example of a prokaryote.
Follow the prompts to locate structures in a typical bacterium.
• Color the cell membrane yellow.
• Color the cell wall blue.
• Color the flagella red.
• Color the pili orange.
• Color the DNA green.
Use the diagram to answer the questions. Circle the correct answer.
1. What does the bacterium use to move?
pili
flagellum
2. What is the bacterium’s genetic material called?
cell membrane
DNA
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Bio07_TR_U06_CH19.QXD
5/2/06
12:02 PM
Page 8
Name______________________________
Class __________________
Date ______________
Bacteria Shapes
The picture shows several kinds of bacteria. Color the bacilli blue. Color
the cocci red. Color the spirilla yellow.
Use the picture to answer the questions.
1. Describe the shape of bacilli.
2. Describe the shape of cocci.
3. Describe the shape of spirilla.
© Pearson Education, Inc., publishing as Pearson Prentice Hall.
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