Biology Paper 2

• Diabetes and cardiovascular disease are common diseases in the UK.
• Types of diabetes


  • Type 1
  • Type 2
• Person with type 2 diabetes

  Cannot control their blood sugar level
• Person with type 2 diabetes


  Body stops responding to the insulin it makes
• Type 1 diabetes


  Can be treated using injections of insulin
• Potential future treatment for diabetes

  Using stem cells to replace insulin-secreting cells in the pancreas
• Measuring resting pulse rate

  1. Sit quietly for 5 minutes

  2. Count the number of pulses in 1 minute
• Types of average


  • Mean
  • Median
  • Mode
• Number of students with fitness index score of 79 or lower
• Enzyme


  Speeds up a chemical reaction
• Doctors think that different people need a different dose of warfarin because of differences in their genomes
• Nitrate ions are essential for plant growth and survival
• Structure A


  Name of structure A
• Structure B


  Name of structure B
• How water is transported through a plant

  1. Water is transported from the soil into the root cells by osmosis

  2. Water is pulled from roots to leaves through the xylem tissue

  3. Water molecules are lost from the leaves into the atmosphere through stomata