explain how mass and energy are conserved when food is digested.
2007-01-18 11:24:38 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Digestion is different from metabolism. One takes in table sugar (sucrose) and digests it with water that is in the body to glucose and fructose. Nothing lost nor gained. One takes in lactose (milk sugar) and digests it similarly to glucose and galactose. One takes in starch and digests it to glucose.
One takes in fats and oils, even trans-fats, and digests them to fatty acids and glycerol.
One takes in proteins and digests them to amino acids: Alanine, glycine, valine, isovaline, leucine, isoleucine, serine, threonine, unsoweiter...
The simple sugars, fatty acids, glycerol, and amino acids are absorbed from the digestive tract into the bloodstream.
2007-01-18 11:35:15 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋