Catabolism of protein is not a practical source of quick energy because of all of the following except that
A: proteins are more difficult to break apart than lipids or carbohydrates.
B: the energy yield from protein is less than the yield from lipids.
C: one of the by-products of protein catabolism is ammonia.
D: extensive catabolism of protein threatens homeostasis.
E: most individuals have little protein to spare before harming vital organs.

Respuesta :

The correct option is E : most individuals have little protein to spare before harming vital organs. Proteins are broken down into amino acids during catabolic processes, lipids into fatty acids, and polysaccharides into monosaccharides.

These building components are subsequently employed in anabolic processes to synthesize compounds. Catabolic processes provide energy. They have exergonic properties. Large molecules are broken down into smaller ones in a catabolic process.

The initial step in breaking down amino acids so that they may be transformed to sugars is oxidative deamination. The process begins with the amino group of the amino acids being removed.

As the amino group is removed, it becomes ammonium and then enters the urea cycle to create urea in the liver. It is subsequently released into the bloodstream and carried to the kidneys, which discharge the urea as urine.

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