26th Apr '25

B1.4 Keywords

B124
  1. Molecule (1) - B1:1
    • a group of atoms, either the same or different, bonded together.
  2. Tissue (1) - B1:1
    • a group of cells working together to perform a function.
  3. Organ (1) - B1:1
    • a group of tissues working together to perform a particular function.
  4. Yeast (1) - B1:1
    • a microscopic fungus consisting of single oval cells that reproduce by budding.
  5. Exothermic (1) - B1:1
    • a reaction that releases energy into the environment.
  6. Endothermic (1) - B1:1
    • a reaction that takes in energy from the surroundings.
  7. Rate (1) - B1:1
    • how fast something occurs.
  8. Insoluble (1) - B1:1
    • something that doesn't dissolve in a solvent.
  9. Limiting factor (1) - B1:1
    • something that stops the rate of reaction from increasing past a point.
  10. Concentration (1) - B1:1
    • the amount of particles in a given space.
  11. Photosynthesis (1) - B1:1
    • the conversion of carbon dioxide and water into glucose and oxygen using energy from the sun.
  12. Cardiovascular (1) - B1:1
    • the heart and blood vessels.
  13. Function (1) - B1:1
    • the job or role that something has or is specialised for.
  14. Translocation (1) - B1:1
    • the movement of materials from one location to another in a plant.
  15. Diffusion (1) - B1:1
    • the movement of particles from an area of high concentration to low concentration.
  16. Transpiration (1) - B1:1
    • the movement of water up the plant against the force of gravity.
  17. Respiration (1) - B1:1
    • the process of taking in oxygen and glucose and converting it into carbon dioxide and water.
  18. Products (1) - B1:1
    • the substances made at the end of a reaction.
  19. Metabolism (1) - B1:1
    • the sum of all the chemical reactions in the body.
  20. Epidermis (1) - B1:1
    • the surface tissue.
  21. Chloroplasts (1) - B1:1
    • vesicles full of the photosynthetic pigment chlorophyll.
  22. Collisions (1) - B1:1
    • when one particle bumps into another.
  23. Aerobic (1) - B1:1
    • with oxygen.
  24. Anaerobic (1) - B1:1
    • without oxygen.
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