During the first step of cellular respiration glucose is converted into

The first step of cellular respiration is called "glycolysis", this is where glucose is oxidized and converted into 2 molecules of pyruvate, a 3-carbon molecule.

That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem