Cell structure

• What are the building blocks of every organism?


  Cells
• What are the two main types of cells?


  Prokaryotic and eukaryotic cells
• What type of cells are eukaryotic cells?


  Complex cells
• What organisms are made up of eukaryotic cells?


  All animal and plant cells
• What is a prokaryote?


  A single-celled organism
• What do both eukaryotic and prokaryotic cells contain?


  Subcellular structures
• What is the function of the nucleus in an animal cell?


  Controls the activities of the cell
• Where do most chemical reactions occur in a cell?


  In the cytoplasm
• What is the role of mitochondria in a cell?


  Where aerobic respiration occurs
• What do ribosomes do in a cell?


  Make proteins
• What are the main subcellular structures in animal cells?


  • Nucleus
  • Cytoplasm
  • Cell membrane
  • Mitochondria
  • Ribosomes
• What type of cells are plants and animals classified as?


  Eukaryotic cells
• How do prokaryotic cells compare in size to eukaryotic cells?


  Prokaryotic cells are much smaller
• What additional structures do plant and algal cells have compared to animal cells?


  Cell wall, chloroplasts, permanent vacuole
• What is the function of the cell wall in plant cells?


  Supports and strengthens the cell
• What is contained in the permanent vacuole of a plant cell?


  Cell sap, a weak sugar and salt solution
• What is the role of chloroplasts in plant cells?


  Where photosynthesis occurs
• What do bacterial cells lack compared to eukaryotic cells?


  A nucleus
• What is the structure of DNA in bacterial cells?


  A single circular strand of DNA
• What are plasmids in bacterial cells?


  Small rings of DNA