B3 SCIENCE LIVING AND GROWING

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  • SCIENCE B3 SECTION 1
    • MOLECULES OF LIFE
      • MITOCHONDRIA
        • STRUCTURE IN CALL WHERE RESPIRATION HAPPENS
        • ONE IS CALLED MITOCHONDRION
      • RIBOSOMES
        • CAN ONLY BE SEEN USING AN ELECTRON MICROSCPE
        • Untitled
        • FOUND IN THE CYTOSPLASM
        • TO SMALL TO BE SEEN USING NORMAL MICROSCOPE
      • CHROMOSONES
        • MADE FROM DNA
        • GENES ARE SHORT SECTIONS OF DNA
        • EACH GENE IS A SET OF CODED INSTRUCTIONS FOR MAKING A PARTICULAR PROTEN
    • RESPIRATION
      • CHEMICAL REACTION THAT RELEASES ENERGY FROM GLUCOSE
        • HAPPENS IN MIITOCHONDRIA
        • PROVIDES ENERGY FOR LIVE PROCESS (MOVEMENT AND GROWTH)
    • TISSUES AND ORGANS THAT HAVE LOTS OF ENERGY HAVE LARGE AMOUNTS OF MITOCHONDRIA IN THEIR CELLS (LIVER AND MUSCLE CELLS)
    • DNA
      • INFO IN GENES IS CODED INSTRUCTIONS CALLED 'GENETIC CODE'
        • CONTROLS CELL ACTIVITY AND SOME CHARACTERISTICS OF ORGANISM
      • CONTROLS PRODUCTION OF DIFFERENT PROTEINS THAT ARE NEEDED FOR GROWTH AND REPAIR
    • DOUBLE HELIX
      • EACH STRAND OF DNA IS MADE OF CHEMICALS CALLED BASES
        • 4 BASES (A,T,C,G)
          • A-T AND G-C
          • GGT FOUND IN GLYCINE
          • TCA FOUND IN SERINE
      • TWO STRANDS COIL TOGETHER TO FORM A DOUBLE HELIX (FORMED BY PAIR OF BASES)
    • PROTEINS ARE MADE IN CYTOPLASM
      • GENES CANNOT LEAVE THE NUCLEUS
        • UNLESS A COPY IS MADE, THEREFORE CAN MOVE TO CYTOPLASM TO MAKE A PROTEIN

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