Minerals - Leaving Cert - Revision Notes - Biology

Overview

For the Leaving Cert in Biology, students need to know two minerals that are essential for animals and two that are essential for plants.

Plant Minerals

1. Calcium
   • Function: Essential for the formation of the middle lamella in cell walls, helping to hold cell walls together.
   • Source: Absorbed from soil.
2. Magnesium
   • Function: Integral part of chlorophyll.
   • Source: Absorbed from soil.

Animal Minerals

1. Calcium
   • Source: Found in dairy products.
   • Function: Crucial for the development of healthy bones and teeth.
   • Deficiency Disease: Osteoporosis.
2. Iron
   • Source: Found in red meat.
   • Function: Necessary for the production of haemoglobin in red blood cells.
   • Deficiency Disease: Anaemia.

Revision Question

• Question: What is the function of calcium in the body?

  • Production of haemoglobin
  • Formation of bones
  • Energy metabolism
  • Blood clotting

• Note: Correct answer is associated with formation of bones.

Additional Resources

• Next Topic: Water

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