Answer the following questions: 1. If an essential amino acid that is needed to

Question

Answer the following questions:

1. If an essential amino acid that is needed to make an important protein is missing, then the body must

b. synthesize the amino acid from a fatty acid and nitrogen.

2.Which of the following statements about protein metabolism is NOT true?

a. Dietary proteins provide amino acids that the body cannot make by itself

b. Excess dietary protein can be made into glucose.
c. Excess dietary protein can be made into fat

d. Excess dietary protein can be used to produce energy.

Explanation / Answer

Answer:

1). d. break down existing body proteins to supply it

Explanation:

If diet does not provide sufficient amounts of essential amino acids, our body will begin to degrade our muscle tissue so our cells can access the missing amino acid.

2). d. Excess dietary protein can be used to produce energy.

Explanation:

The fate of excess proteins:

Our body does not maintain a store of excess proteins. Excess amino acids must be converted into other storage products or oxidized as fuel i.e., glucose, glycogen and fat. Excess protein is usually stored as fat while the surplus of amino acids is excreted.

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