prokaryotic cell structure

• What type of cells are prokaryotic cells?

  Prokaryotic cells are a type of cell that lacks a nucleus and membrane-bound organelles.
• What is the chemical composition of the cell wall in prokaryotic cells?

  The cell wall in prokaryotic cells is made of a chemical called murine.
• What structures can be found in prokaryotic cells?

  Prokaryotic cells can contain plasmids, a capsule, and flagella.
• What is an example of a prokaryotic cell?

  Bacteria are a key example of prokaryotic cells.
• What are ribosomes made of in prokaryotic cells?

  Ribosomes in prokaryotic cells are made up of proteins and rRNA.
• What is the size of ribosomes in prokaryotic cells?

  Prokaryotic cells have 70s ribosomes, which are smaller than those in eukaryotic cells.
• What is the function of ribosomes in both prokaryotic and eukaryotic cells?

  Ribosomes are responsible for protein synthesis in both prokaryotic and eukaryotic cells.
• How do the ribosomes in mitochondria and chloroplasts differ from those in other eukaryotic cells?

  Mitochondria and chloroplasts contain 70s ribosomes, similar to prokaryotic cells.
• What is the structure of the nucleus in eukaryotic cells?

  The nucleus has a nuclear envelope with pores, nucleoplasm, linear chromosomes with histone proteins, and a nucleolus.
• What type of DNA do prokaryotic cells have?

  Prokaryotic cells have circular DNA that is loose within the cytoplasm.
• What is the composition of the cell wall in plant and fungal cells?

  Plant cells have cellulose cell walls, while fungal cells have chitin cell walls.
• What is a plasmid in prokaryotic cells?

  A plasmid is a small loop of additional DNA that often carries antibiotic resistance genes.
• What is the function of the capsule in some prokaryotic cells?

  The capsule helps prevent desiccation and protects the bacteria from the host's immune system.
• What is the function of flagella in prokaryotic cells?

  Flagella help propel the bacteria by rotating at the base.
• How do flagella function in prokaryotic cells?

  Flagella rotate at the base like a motor to help the bacteria swim.
• What are the key differences between prokaryotic and eukaryotic cells?

  • Prokaryotic cells are smaller.
  • Prokaryotic cells lack membrane-bound organelles.
  • Prokaryotic cells have 70s ribosomes, while eukaryotic cells have 80s ribosomes.
  • Prokaryotic cells have circular DNA, while eukaryotic cells have linear DNA.
  • Prokaryotic cell walls contain murine, while plant cell walls contain cellulose and fungal cell walls contain chitin.
• What are the structures found in prokaryotic cells and their functions?

  • Plasmids: Small loops of DNA that may carry antibiotic resistance genes.
  • Capsule: Thick slimy layer that prevents desiccation and protects against the immune system.
  • Flagella: Structures that rotate to propel the bacteria.