
To write:
The reason a diet with no protein would be unhealthy.
Introduction:
Nutrition is the process by which a person can take in and uses food. Food supplies building blocks and energy to maintain body mass. The daily intake of energy from food should be equal to the amount of energy that a person uses daily. A calorie is a unit used to measure the energy content of the food.

Explanation of Solution
Proteins are the basic structural components of all cells, and amino acids are the building blocks of proteins. Enzymes, hormones, neurotransmitters, and membrane receptors are only a few important proteins in the body. Humans require 20 different protein synthesis amino acids. The human body can synthesize 12 of the 20 amino acids needed for cell function. Essential amino acids are the eight amino acids that must be part of a person's diet. Proteins are one of the most important
Thus, protein plays an important role in our diet. Humans require 20 different protein synthesis amino acids. The human body can synthesize 12 of the 20 amino acids needed for cell function.
Chapter 35 Solutions
Biology Illinois Edition (Glencoe Science)
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