(a)[6]
Table 6.1 sets out some features of DNA and the protein collagen. Complete Table 6.1.
(b)[2]
Most DNA in a eukaryotic cell is found in the nucleus. State how the structure of a nucleus is adapted for its function of holding DNA.
(c)[2]
Fibroblast cells make elastic fibres and collagen fibres in lung tissue. Describe the function of elastic fibres in lung tissue.
(d)[1]
Name the stage of the cell cycle when DNA and proteins are made.