Proteins: they make us up

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Across
  1. 2. Short chain of amino acids
  2. 4. Transport protein that delivers oxygen to organs and tissues while bringing carbon dioxide back to the lungs
  3. 7. Hormone crucial for the fight and flight response
  4. 8. spatial 3D arrangement which the atoms in a molecule can adopt and freely convert between
  5. 9. Cascade made up of different proteins. It is part of the innate immunity but can be recruited by the adaptive system to enhance the response
Down
  1. 1. Regulatory protein that helps condense DNA into chromosomes. A code named after it is at the heart of epigenetics
  2. 3. Basic building subunit of proteins
  3. 5. Hormone that regulates blood glucose levels
  4. 6. Structural protein that makes up hair
  5. 10. Biological catalyst that accelerates chemical reactions