1) to repair and maintenance
2) they’re a main source of energy
3)they’re involved in the creation of some hormones
4)enzymes
5)transport and store molecules
6)antibodies
<em>The Village Bride </em>by Jean-Baptiste Greuze belongs to the Neoclassicism era.
<em>Violin and Pitcher </em>by Georges Braque belongs to the Cubism era (you can tell by the unique art style).
<em>Dynamism of a Soccer Player </em>by Umberto Boccioni belongs to the Futurism era.
I hope this helped! :-)