Introduction to Cell Components: Cell Membrane, Nucleus, and Cytoskeleton

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10 Questions

What is the main function of the cell membrane?

Protection and control of movement of substances

Which organelle is described as the 'brain of the cell'?

Nucleus

What is the function of nucleolus in the cell?

Site of formation of ribosomes

Which component is associated with cancer as a disease of nucleic origin?

Nucleus

What is the common feature in neurodegenerative diseases related to the cytoskeleton?

Intermediate filaments

Which organelle is responsible for ATP production?

Mitochondria

Which organelle forms the spindle fibers in mitosis of every cell?

Centrioles

Which organelle is particularly abundant in cells with great phagocytic activity?

Lysosomes

Which organelle is responsible for protein synthesis?

Ribosomes

Which organelle is involved in the process of autophagy and heterophagy?

Lysosomes

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.

This quiz covers the basic components of a cell including the cell membrane, nucleus, and cytoskeleton. It includes information about their structure, functions, and significance in cell biology.

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