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Questions and Answers
Which organisms have cell walls?
Which organisms have cell walls?
- Viruses
- Animals
- Humans
- Plants, fungi, protists, and most bacteria (correct)
What is the primary component of the cell wall?
What is the primary component of the cell wall?
- Nucleic acids
- Lipids
- Proteins
- Carbohydrates (correct)
What is the function of the middle lamella in the cell wall?
What is the function of the middle lamella in the cell wall?
- Protection
- Cement between neighboring cells (correct)
- Energy generation
- Absorption
What is the main function of chloroplasts in plant cells?
What is the main function of chloroplasts in plant cells?
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Where are chloroplasts found?
Where are chloroplasts found?
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Study Notes
Cell Walls
- Plant, bacteria, fungi, and some protists have cell walls
- Cellulose is the primary component of plant cell walls
- The middle lamella is a layer of pectin that cements adjacent plant cells together
Chloroplasts
- Chloroplasts are organelles found in plant cells
- The primary function of chloroplasts is photosynthesis - the process by which light energy is converted into chemical energy stored in glucose
- Chloroplasts are found in the cytoplasm of plant cells, specifically in the mesophyll tissue of leaves and stems
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