Study

Cells

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  • Which part of the cell is like the skin?
    the plasmatic (cell) membrane
  • True or false? Chlorophyll helps plants make food from the moon.
    False. Chlorophyll helps plants make food from the sun.
  • Which part of the cell is like the brain?
    the nucleus
  • True or false? Most cells are very big.
    False. Most cells are very small.
  • What is the role of the plant's cell wall?
    It makes the plant stiff so it can grow tall.
  • What is an example of a living thing with only one cell?
    for example, bacteria or yeast
  • Which one do prokaryotic cells NOT have?: cytoplasm, nucleus, membrane
    Prokaryotic cells have no nucleus.
  • True or false? A small part of the cytoplasm is water.
    False. Most of the cytoplasm is water.
  • What happens when a cell is sick?
    It will self-destruct.
  • What is the plant's cell wall made of?
    The cell wall is made of cellulose.
  • True or false? The nucleus is located on the side of the cell.
    False. The nucleus is located near the center.
  • True or false? Cells are not all the same size.
    True.
  • True or false? All cells have the same lifespans.
    False. Cells have different lifespans based on their function.
  • True or false? Eukaryotes were the earliest forms of life on Earth.
    False. Prokaryotes were the earliest forms of life on Earth.
  • What percentage of cells in the human body are bacteria?
    95% of the cells in the human body are bacteria.
  • True or false? The cell gets its energy from the mitochondria.
    True.
  • True or false? Plant and animal cells have cell walls.
    False. Animal cells do not have cell walls.
  • How do you say "duración de vida" in English?
    lifespan
  • How many cells are in the human body?
    more than 75 trillion
  • What does the nucleus regulate?
    It regulates the cell's growth and reproduction.
  • True or false? Some living things are made up of cells.
    False. All living things are made up of cells.