Multiple Choice
Which term describes long, slender, spiral-shaped bacteria that have flexible walls and are capable of movement?
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1. Introduction to Microbiology
Introduction to Bacteria
Multiple Choice
Which of the following is NOT a characteristic of bacteria?
A
Their cell walls commonly contain peptidoglycan.
B
They are typically unicellular organisms.
C
They have mitochondria for ATP production.
D
They have a prokaryotic cell organization (lack a membrane-bound nucleus).
Verified step by step guidance1
Step 1: Understand the basic characteristics of bacteria. Bacteria are prokaryotic organisms, meaning they lack a membrane-bound nucleus and other membrane-bound organelles.
Step 2: Recall that bacterial cell walls commonly contain peptidoglycan, a polymer that provides structural support and shape to the cell.
Step 3: Recognize that bacteria are typically unicellular organisms, meaning each bacterium is a single cell functioning independently.
Step 4: Identify that mitochondria are membrane-bound organelles responsible for ATP production in eukaryotic cells, but bacteria do not have mitochondria.
Step 5: Conclude that the statement 'They have mitochondria for ATP production' is NOT a characteristic of bacteria because bacteria generate ATP through their cell membrane rather than mitochondria.
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