Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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
Transcribed Image Text:**Understanding Bacterial Shapes**
**Question:**
What is a proper description of the shape of the bacteria in the picture?
**Image Description:**
The image shows a microscopic view of red-stained bacteria. They appear as rod-shaped structures dispersed randomly across the view field. The individual bacteria are elongated and somewhat cylindrical in appearance.
**Answer Choices:**
1. Bacilli
2. Cocci
3. Vibrio
4. Spirochete
5. Pleomorphic
**Explanation:**
In microbiology, bacteria come in various shapes and configurations, which can help in their identification and classification. Here are the definitions of the given shapes:
- **Bacilli:** These bacteria are rod-shaped.
- **Cocci:** These bacteria are spherical in shape.
- **Vibrio:** These bacteria have a curved, comma-like shape.
- **Spirochete:** These bacteria are spiral-shaped.
- **Pleomorphic:** These bacteria can vary in shape and size.
Based on the image provided, the bacteria have a rod-like structure, thus the correct answer is:
- **Bacilli**
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