All Mr Hammond

Subdecks (3)

Cards (17)

  • Erythrocytes (red blood cells) carry oxygen in
    the blood. The biconcave disc shape provides a large surface area for gas exchange. They have
    no nucleus so there's more room for haemoglobin, the protein that carries oxygen.
  • CELL CYCLE- 2.6
    Growth 1: cell grows and new organelles and proteins are made.
  • CELL CYCLE-2.6
    G1 checkpoint: The cell checks that the chemicals needed for replication are present and for any damage to the DNA before entering S-phase.