Question

This is one job proteins do NOT have in the body

Answer 1

Protein is  not the energy provider .

It is not generally not  used to provide energy.

It comes in the picture only when body is not getting enough calories from other components .

Answer 2

Amino acids and enzymes are made up proteins.Thus another function of proteins is to serve as a biological catalyst hence protein is not a energy provider.

Explanation:

• Basically it is not used to provide energy.  
• Protein helps to repair and build your body tissues.
• It is not the energy provider.
• It comes in the picture only when body is not getting enough calories from other components.
• Proteins are large and complex molecules that play many critical roles in the body.
• There are 20 different types of amino acids that can be combined to make a protein.
• The body can't store protein so once needs are met any extra is used for energy or stored as fat adds wempen.
• Excess calories from any source will be stored as fat in the body.
• The digestion of proteins from the diet results in excess amino acids which need to be excreted safely.
• In the liver these amino acids are deaminated to form ammonia.
• Ammonia is toxic and so it is immediately converted to urea for safe excretion.