(1) Explain with sufficient details why Kreb's Cycle may beregarded as a central to the metabolism of major food stuff.
(2) Discuss the possible environmental factors that could havepromoted the evolution of the Hatch-Slack path way (i.e.C4 cycle)in C4 plants.
(3) Explain the Kreb's cycle structural features tha enable thiscycle to oparate in the mitochondrian matrix.