What Are Complete Proteins? - Definition & Food Examples


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Protein deficiencies are:

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1. Of the 20 amino acids, ____ are essential.

2. Which of the following is a food that contains all essential amino acids?

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About This Quiz & Worksheet

Proteins are essential to the human body, and this quiz/worksheet combo will help test your understanding of how proteins are broken down and used in the body. These quiz questions will test you on topics such as protein deficiencies and essential amino acids.

Quiz & Worksheet Goals

In this assessment you will be tested on the following concepts:

  • How many amino acids are essential
  • What types of foods contain essential amino acids
  • Vegetarian sources of protein
  • The names of the essential amino acids

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Defining key concepts- ensure that you can accurately define phrases such as source of protein and protein deficiencies
  • Distinguishing differences- compare and contrast animal and vegetarian sources of protein
  • Knowledge application- use your knowledge to answer questions about foods that are good sources of protein
  • Information recall- access the knowledge you've gained regarding the essential amino acids

Additional Learning

To learn more about proteins and amino acids, review the accompanying lesson titled What Are Complete Proteins? - Definition & Food Examples. This lesson includes the following subjects:

  • The definition of a complete protein
  • The definition of an incomplete protein
  • What specific foods need to be combined in order to achieve a complete protein
  • Symptoms of protein deficiency