Extended answer on catabolism and anabolism

Question 1

Marks 1 and 2

Answer 1

Anabolism is the synthesis of large, complex molecules, requiring energy input.

Question 2

Marks 3 and 4

Answer 2

Catabolism is a degradation of a larger molecule into smaller molecules, energy is released by these reactions

Question 3

Marks 5 and 6

Answer 3

Both can have reversible and irreversible steps, and can both have alternative routes