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Questions and Answers
What is the main function of the cell membrane?
What is the main function of the cell membrane?
- Support and shape of the cell
- Protection and control of movement of substances (correct)
- Site of formation of ribosomes
- Role in mitosis and cell motility
Which organelle is described as the 'brain of the cell'?
Which organelle is described as the 'brain of the cell'?
- Cell membrane
- Nucleolus
- Cytoskeleton
- Nucleus (correct)
What is the function of nucleolus in the cell?
What is the function of nucleolus in the cell?
- Support and shape of the cell
- Route for organelle movement in cytoplasm
- Role in mitosis and cell motility
- Site of formation of ribosomes (correct)
Which component is associated with cancer as a disease of nucleic origin?
Which component is associated with cancer as a disease of nucleic origin?
What is the common feature in neurodegenerative diseases related to the cytoskeleton?
What is the common feature in neurodegenerative diseases related to the cytoskeleton?
Which organelle is responsible for ATP production?
Which organelle is responsible for ATP production?
Which organelle forms the spindle fibers in mitosis of every cell?
Which organelle forms the spindle fibers in mitosis of every cell?
Which organelle is particularly abundant in cells with great phagocytic activity?
Which organelle is particularly abundant in cells with great phagocytic activity?
Which organelle is responsible for protein synthesis?
Which organelle is responsible for protein synthesis?
Which organelle is involved in the process of autophagy and heterophagy?
Which organelle is involved in the process of autophagy and heterophagy?
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Study Notes
Cell Biology
- The main function of the cell membrane is to regulate what enters and leaves the cell.
Cellular Organelles
- The nucleus is described as the 'brain of the cell' because it contains the cell's genetic material.
- The nucleolus is responsible for ribosome synthesis and plays a crucial role in protein synthesis.
- DNA is the component associated with cancer as a disease of nucleic origin.
- The common feature in neurodegenerative diseases related to the cytoskeleton is the abnormal aggregation of cytoskeletal proteins.
- Mitochondria are the organelles responsible for ATP production.
- The centrioles are responsible for forming the spindle fibers in mitosis of every cell.
- Lysosomes are particularly abundant in cells with great phagocytic activity, such as macrophages.
- Ribosomes are the organelles responsible for protein synthesis.
- Lysosomes are involved in the process of autophagy and heterophagy, which are mechanisms of cellular recycling.
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