The body prefers to use fat or carbohydrate for energy, but when total energy or carbohydrate intake is low, protein may be used instead. in order to use amino acids for energy, the amine group must first be removed. complete the statement about protein catabolism. amino acids contain nitrogen, which must be removed via oxidative in order for the carbon skeleton to be used for energy.

the correct answer is (

explanation:

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

the scientific method.