ADDITIONAL SCIENCE - UNIT 1

GCSE ADDITIONAL SCIENCE

OCR GATEWAY B

HIGHER TIER

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B3- LIVING & GROWING

PLANT & ANIMAL CELS HAVE:

  • NUCLEUS
  • MEMBRANE
  • CYTOPLASM
  • MITOCHONDRIA

ONLY PLANTS HAVE:

  • CELL WALL
  • VACUOLE
  • CHLOROPLASTS

CHROMOSOMES CONTAINS DNA-A PART OF DNA IS A GENE-EACH GENES MAKE A SPECIFIC PROTEIN

 ENZYME=BIOLOGICAL CATALYST              PROTEINS ARE MADE FROM AMINO ACIDS IN A SPECIFIC ORDER

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