Although the glyoxylate cycle is not present in animals, many plants and microorganisms use this modified form of the citric acid cycle. The glyoxylate cycle is beneficial in that: a. is an alternative pathway for the generation of electron carriers in the absence of oxygen.
b. it enables these organisms to grow on acetate.
c. provides a source of glyoxylate, which is an essential biosynthetic intermediate in these organisms.
d. does not release CO2 which is toxic to these organisms.