1.   Leaves are a rich source of vitamin C and the vitamin is particularly concentrated within chloroplasts, the organelles of photosynthesis.

2.   Most socialising had been concentrated within the private domestic sphere with their female kin and children.

3.   Uranium, selenium and calcium are concentrated in cell walls whereas bismuth and sulphur are concentrated within the cells.

4.   These residues are concentrated within small regions, and the organization of these domains within the protein is conserved.

5.   Because their policyholders tend to be concentrated within a single region, smaller insurers can be bankrupted just one powerful storm hitting their area of operations.

6.   Development has been concentrated mainly within Baltimore City.

7.   Instead of being spoken by Jews of all classes and educational levels, it became largely concentrated within Orthodox and Hasidic communities where it is used in everyday life.