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7th Grade Science Cam Unit 1

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  • What is the function of chlorophyll?
    Captures light energy
  • Which organelle stores water and nutrients in plant cells?
    Large central vacuole
  • What is the role of root hair cells?
    Absorb water and minerals
  • What provides structural support to plant cells?
    Cell wall
  • What is the function of the cell membrane?
    Controls what enters and exits the cell
  • What is the cytoplasm?
    A gel-like substance where cell organelles are suspended
  • What is an organism?
    A living thing that carries out life processes through organs and organ systems
  • What is the role of the large central vacuole in plant cells?
    Maintains turgor pressure
  • TRUE or FALSE: All plant cells have a cell wall
    TRUE
  • What do dendrites in neurons do?
    Receive signals
  • Why do red blood cells lack a nucleus?
    To allow more space for hemoglobin
  • What organelle contains chlorophyll?
    Chloroplasts
  • What part of the plant cell is responsible for photosynthesis
    Chloroplast
  • What is an organ system?
    A group of organs that work together to perform a vital function
  • Which organelle is responsible for producing energy?
    Mitochondria
  • What does the axon in a neuron do?
    Transmit electrical impulses
  • Which organelle is the control center of the cell?
    Nucleus
  • Who discovered and named the “cell”
    Robert Hooke
  • What is a tissue?
    A group of similar cells working together to perform a specific function
  • Where does photosynthesis occur in plant cells?
    Chloroplasts
  • What is the function of hemoglobin in red blood cells?
    Transports oxygen
  • Which of the following is NOT part of an animal cell
    Chloroplast
  • The function of the Palisade cell is to
    Make food using photosynthesis
  • What is the word we use to describe the special job of each cell
    Function
  • What is a specialized cell?
    A cell adapted to perform a specific function
  • What is the smallest unit of life?
    A cell
  • A tissue wall is made of similar cells that work together
    TRUE
  • What is the function of neurons?
    Transmit electrical and chemical signals
  • TRUE or FALSE: The Root Hair Cell is good at making food using photosynthesis
    FALSE
  • What is the word we use for a specialized cell, we say it has been ------- for its function?
    adapted
  • What is the function of red blood cells?
    Transport oxygen
  • What are dendrites?
    Branch-like extensions that receive signals in neurons
  • What is an organ?
    A collection of tissues working together to perform a specific task
  • Which process occurs in chloroplasts?
    Photosynthesis
  • What part of the cell contains genetic material
    Nucleus
  • What do electron microscopes use to illuminate objects?
    A beam of electrons
  • What is the purpose of the cell wall in plant cells?
    Provides structural support and protection
  • What pigment is found in red blood cells?
    Hemoglobin
  • All living organisms are made of
    Cells
  • What is the function of mitochondria?
    Produce energy for the cell
  • Which component is present in plant cells but absent in animal cells?
    Chloroplasts
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