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Questions and Answers
What is the main function of the vacuole in an animal cell?
What is the main function of the vacuole in an animal cell?
What is the role of centrioles in cell division?
What is the role of centrioles in cell division?
What is the function of microtubules in the cytoskeleton?
What is the function of microtubules in the cytoskeleton?
What is the primary function of the Golgi apparatus?
What is the primary function of the Golgi apparatus?
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What is the main difference between rough ER and smooth ER?
What is the main difference between rough ER and smooth ER?
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What is the role of the endoplasmic reticulum in the cell?
What is the role of the endoplasmic reticulum in the cell?
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Which organelle is involved in intracellular transport?
Which organelle is involved in intracellular transport?
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What is the function of the smooth ER?
What is the function of the smooth ER?
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Study Notes
Organelles in Animal Cells
Vacuole
- A membrane-bound organelle that stores water, salts, and other substances
- Helps maintain cell turgor pressure and osmoregulation
- Can also store waste products and recycling cellular debris
- Typically larger in plant cells, but smaller in animal cells
Centrioles
- Small, cylindrical organelles near the nucleus
- Composed of microtubules and play a key role in cell division
- Help form the spindle fibers during mitosis
- Also involved in the formation of cilia and flagella
Microtubules
- Part of the cytoskeleton, providing structural support and shape to the cell
- Composed of tubulin proteins and are dynamic, constantly assembling and disassembling
- Involved in cell division, intracellular transport, and maintenance of cell shape
- Can also be involved in the movement of organelles and chromosomes
Golgi Apparatus
- A complex of flattened sacs and tubules that process and modify proteins and lipids
- Receives proteins and lipids from the rough ER and modifies them for transport
- Packages proteins and lipids into vesicles for secretion or transport to other parts of the cell
- Plays a key role in cell signaling and protein synthesis
Endoplasmic Reticulum (ER)
- A network of membranous tubules and cisternae that is involved in protein synthesis and transport
- Two types: rough ER (with ribosomes) and smooth ER (without ribosomes)
- Rough ER is involved in protein synthesis and transport, while smooth ER is involved in lipid synthesis and detoxification
- Plays a key role in the synthesis and transport of proteins and lipids in the cell
Organelles in Animal Cells
Vacuole
- Stores water, salts, and other substances, maintaining cell turgor pressure and osmoregulation
- Can store waste products and recycle cellular debris
- Typically larger in plant cells, but smaller in animal cells
Centrioles
- Composed of microtubules, playing a key role in cell division and forming spindle fibers during mitosis
- Involved in forming cilia and flagella
Microtubules
- Provide structural support and shape to the cell as part of the cytoskeleton
- Composed of tubulin proteins, assembling and disassembling dynamically
- Involved in cell division, intracellular transport, and maintaining cell shape
- Can move organelles and chromosomes
Golgi Apparatus
- Processes and modifies proteins and lipids in a complex of flattened sacs and tubules
- Receives proteins and lipids from the rough ER, modifying them for transport
- Packages proteins and lipids into vesicles for secretion or transport to other cell parts
- Plays a key role in cell signaling and protein synthesis
Endoplasmic Reticulum (ER)
- A network of membranous tubules and cisternae involved in protein synthesis and transport
- Consists of rough ER (with ribosomes) and smooth ER (without ribosomes)
- Rough ER synthesizes and transports proteins, while smooth ER synthesizes lipids and detoxifies
- Plays a key role in synthesizing and transporting proteins and lipids in the cell
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Description
Learn about the structures and functions of organelles in animal cells, including vacuoles and centrioles.
