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Questions and Answers
What is the primary function of mitochondria in a cell?
What is the primary function of mitochondria in a cell?
- Modify and sort proteins
- Synthesize proteins
- Produce energy through cellular respiration (correct)
- Regulate the movement of substances
Which organelle is responsible for performing photosynthesis in plant cells?
Which organelle is responsible for performing photosynthesis in plant cells?
- Ribosomes
- Golgi Apparatus
- Mitochondria
- Chloroplasts (correct)
What role does the endoplasmic reticulum (ER) play in a cell?
What role does the endoplasmic reticulum (ER) play in a cell?
- Protein synthesis and transport (correct)
- Storage of nutrients and water
- Digestion of waste material
- Energy production
Which organelle contains digestive enzymes to break down waste and cellular debris?
Which organelle contains digestive enzymes to break down waste and cellular debris?
What is the primary function of the cytoskeleton in a cell?
What is the primary function of the cytoskeleton in a cell?
Flashcards
Nucleus
Nucleus
The control center of the cell; contains DNA and directs all cellular activities.
Mitochondria
Mitochondria
The powerhouse of the cell; responsible for generating energy (ATP) through cellular respiration.
Ribosomes
Ribosomes
Tiny structures that synthesize proteins, following instructions from the DNA.
Endoplasmic Reticulum (ER)
Endoplasmic Reticulum (ER)
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Golgi Apparatus
Golgi Apparatus
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Study Notes
Cell Organelles
- Nucleus: Contains DNA, controlling cell activities.
- Mitochondria: The "powerhouse" of the cell, producing energy (ATP) through cellular respiration.
- Ribosomes: Synthesize proteins.
- Endoplasmic Reticulum (ER):
- Rough ER: Studded with ribosomes, involved in protein synthesis and transport.
- Smooth ER: Involved in lipid synthesis and detoxification.
- Golgi Apparatus: Modifies, sorts, and packages proteins for secretion or use within the cell.
- Lysosomes: Contain digestive enzymes for breaking down waste and cellular debris.
- Chloroplasts (Plant Cells): Perform photosynthesis, converting sunlight into energy (glucose).
- Vacuoles: Storage organelles for nutrients, water, and waste, larger in plant cells.
- Cell Membrane: Regulates substance movement into and out of the cell.
- Cytoskeleton: Provides cell structure, shape, support, and aids in movement.
- Centrosomes/Centrioles: Organize microtubules during cell division.
- Peroxisomes: Break down fatty acids and detoxify harmful substances.
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