Proteins: Introduction, Quality, and Requirements
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Questions and Answers

What are proteins made of?

Amino acids

What happens to proteins during digestion?

They are split to release single amino acids.

Where are amino acids joined together to produce new proteins?

In the liver

What is the critical importance of the amino acid sequence in a protein chain?

<p>It determines the protein's suitability for a particular activity.</p> Signup and view all the answers

Where is half of the protein in the body of a normal 65 kg man located?

<p>In the muscles</p> Signup and view all the answers

What happens to excess protein intake in the body?

<p>Used for energy or converted to fat</p> Signup and view all the answers

From where does the body mainly lose protein when the protein intake is less than needed?

<p>Skeletal muscles and the skin</p> Signup and view all the answers

What is the example of rapid protein turnover mentioned in the text?

<p>Small intestine</p> Signup and view all the answers

How many essential amino acids are there that the body cannot make for itself and must be provided through dietary protein?

<p>8</p> Signup and view all the answers

What is the measure used to determine the protein quality based on the amount of protein retained in the body during several days of eating that protein?

<p>Protein Efficiency Ratio (PER)</p> Signup and view all the answers

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