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Questions and Answers
What is a primary characteristic that distinguishes one class of cells from another?
What is a primary characteristic that distinguishes one class of cells from another?
- Type of membrane structure
- Function in the organism (correct)
- Size of the nucleus
- Shape of the cell
Which type of class of cells typically lacks a nucleus?
Which type of class of cells typically lacks a nucleus?
- Animal cells
- Fungal cells
- Plant cells
- Bacterial cells (correct)
Which of the following classes of cells is known for its ability to perform photosynthesis?
Which of the following classes of cells is known for its ability to perform photosynthesis?
- Muscle cells
- Liver cells
- Plant cells (correct)
- Blood cells
Which characteristic is NOT typically associated with animal cells?
Which characteristic is NOT typically associated with animal cells?
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What is a shared characteristic of both plant and fungal cells?
What is a shared characteristic of both plant and fungal cells?
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Study Notes
Cell Classifications and Characteristics
- Cells are distinguished by specific characteristics such as structure, function, and organelles.
- A primary characteristic that differentiates classes of cells is the presence or absence of a nucleus.
Prokaryotic Cells
- Prokaryotic cells typically lack a nucleus, containing their genetic material in a region called the nucleoid.
- This class includes bacteria and archaea.
Photosynthetic Cells
- Plant cells are known for their ability to perform photosynthesis.
- Chloroplasts, which contain chlorophyll, are the organelles responsible for capturing light energy.
Animal Cells
- Animal cells do not typically possess a rigid cell wall, which distinguishes them from plant and fungal cells.
- They primarily rely on a flexible plasma membrane for structure.
Shared Characteristics of Plant and Fungal Cells
- Both plant and fungal cells have a cell wall, providing support and protection.
- They also share similar cellular structures, including vacuoles and ribosomes.
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