Bacteria, though tiny, are incredibly complex. They have structures that help them survive and thrive. The cell wall provides protection and shape. Flagella are like little propellers that allow them to move. And plasmids are extra pieces of DNA that can give them special abilities, like antibiotic resistance.
Match the term with the correct definition:
| Term | Definition |
|---|---|
| 1. Cell Wall | a. Small, circular DNA molecules in bacteria. |
| 2. Flagella | b. A structure that provides shape and protection to the bacterial cell. |
| 3. Plasmids | c. Whip-like appendages used for movement. |
Answer Key:
1-b, 2-c, 3-a
Fill in the missing words in the paragraph below:
The bacterial ________ provides a rigid outer covering. ________ are used for motility. ________ can carry genes for antibiotic resistance.
Word Bank: plasmids, cell wall, flagella
Answer:
The bacterial cell wall provides a rigid outer covering. Flagella are used for motility. Plasmids can carry genes for antibiotic resistance.
Explain how plasmids can contribute to the spread of antibiotic resistance among bacteria.
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