what are the results of chemical digestion of carbohydrates, proteins and fats and where does it occur?

Answer 1

The body breaks these molecules down into their basic building blocks so the cells can use the blocks to build the specific molecules they need.

Carbohydrates are broken down into monosaccharides.
Proteins are broken into amino acids.
Fats are broken into glycerol and fatty acids.

Some of this happens in the digestive system (mouth, stomach, and small intestine) and some of it continues inside the individual cells.

Answer 2

Chemical Digestion Of Carbohydrates

Answer 3

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what are the results of chemical digestion of carbohydrates, proteins and fats and where does it occur?

Answer 4

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Sorry, i have no weblink. However, my answers are from my textbook, so the key words are more or less there. Carbohydrates: Carbohydrate digestion occurs in the mouth and the small intestine only. The end-products of carbohydrate digestion are monosaccharides. (Glucose, galatose and fructose) In the mouth, salivary amylase breaks starch down to maltose. In the small intestine, pancreatic amylase breaks down starch into maltose and maltase breaks down maltose to glucose. Lactase breaks down lactose into glucose and galatose. Sucrase breaks down sucrose to glucose and fructose. Proteins: In the small intestine, trypsin and erepsin act on the undigested proteins in the chyme. Enterokinase makes trypsinogen(inactive) to an active form. (Trypsin) Therefore, trypsin breaks proteins down to polypeptides and erepsin breaks polypeptides down to amino acids. The end products of protein digestion are amino acid. Fats: Fat digestion occurs in the stomach only. Bile salts emulsify fats into tiny droplets and this increases the surface area to volume ratio of the fats. The droplets of fats are then acted upon by pancreatic and intestinal lipases, which digest them into the end-poidects fatty acids and glycerol.

Answer 5

a sidenote:

Chemical digestion refers to what ecolink described; the breakdown of larger molecules to usable ones by the cell.

Metabolism is the process which the 2nd answerer described, which is different from chemical digestion and is also referred to as "respiration."

Answer 6

All three compounds are ultimately degraded for ATP. ATP is the most common energy source for the cell.


Most metabolism occurs within the cytoplasm, but most energy production occurs in the mitochondria.