plants

• what do xylem cells transport?

  water and nutrients
• what do phloem cells transport?

  glucose
• what are phloem tubes?

  columns of living cells with small pores at the ends to allow cell sap to Flow through
• what are xylem tubes?

  made of dead cells joined end to end
• what is transpiration?

  The process by which plants lose water through their leaves.
• what is transpiration caused by?

  evaporation and diffusion of water from the plants surface
• how is glucose used?

  respiration
• what are the limiting factors of photosynethesis?

  light, concentration of co2, temperature and chlorophyll
• What does a nitrate deficiency do?

  stunts growth because nitrate converts sugars into proteins
• What does a magnesium deciency do?


  it is needed chlorophyll which means the plant will be discoloured and appears yellow
• What is the process to transport sugars (phloem)?

  translocation