Multiple Choice
In bacteria, DNA will be found in _______________.
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5. Cell Components
Prokaryotic & Eukaryotic Cells
Multiple Choice
You isolate a cell with the following characteristics: (1) no nucleus, (2) a cell wall, and the cell is (3) 2 μm in size. This cell could be a/an:
A
Bacterium.
B
Plant cell.
C
Animal cell.
D
Bacterial cell or a plant cell.
E
Plant cell or an animal cell.
Verified step by step guidance1
Step 1: Identify the key characteristics of the cell given in the problem: (1) no nucleus, (2) presence of a cell wall, and (3) size approximately 2 micrometers (μm).
Step 2: Recall that cells without a nucleus are classified as prokaryotic cells, while cells with a nucleus are eukaryotic cells. This means the cell in question is prokaryotic.
Step 3: Understand that plant cells and animal cells are eukaryotic and therefore have a nucleus, so they can be excluded based on the first characteristic.
Step 4: Note that the presence of a cell wall is typical of plant cells and prokaryotic cells (such as bacteria), but animal cells do not have a cell wall.
Step 5: Consider the size: 2 μm is typical for bacterial cells, which are generally smaller than plant cells. Combining all these points, the cell is most consistent with being a bacterium.
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