- Leaving Cert. Biology (Higher) 2006: Paper 1 Question 01
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(a) In the human diet, zinc, iron and copper are examples of minerals.
(b) The walls of xylem vessels are reinforced with lignin.
(c) Where in a cell would you expect to find phospholipids? In the cell membrane
(d) Vitamin C is an example of a water-soluble vitamin.
(e) Name a disorder associated with a deficiency of the vitamin that you have named in (d) or of another named vitamin in the diet. Scurvy(f) What are the final products of the digestion of a protein? Amino acids