Proteins in Food Chemistry and Analysis

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Questions and Answers

What is the colloidal nature of proteins?

  • Variable molecular weight
  • Low molecular weight
  • Medium molecular weight
  • High molecular weight (correct)

What are the basic components of proteins?

  • Nitrogen, carbon, and oxygen (correct)
  • Zinc, nitrogen, and sulfur
  • Carbon, oxygen, hydrogen, and sulfur
  • Iron, copper, and phosphorous

Which of the following is not a primary source of proteins?

  • Fruits and vegetables (correct)
  • Wheat, quinoa, rice, and oats
  • Almonds, pistachios, and pumpkin seeds
  • Legumes such as beans and peas

What is the function of some proteins in living systems?

<p>Control of metabolism (C)</p> Signup and view all the answers

Which element is NOT commonly found in proteins?

<p>Copper (D)</p> Signup and view all the answers

What are the different levels of protein structure?

<p>Primary structure, secondary structure, tertiary structure, quaternary structure (B)</p> Signup and view all the answers

Which animal source is recommended to be consumed on a more limited basis?

<p>Lamb (C)</p> Signup and view all the answers

Which of the following is not a source of animal protein?

<p>Beans and legumes (A)</p> Signup and view all the answers

Which vital function of proteins involves the formation of hormones?

<p>It is involved in the formation of hormones that responsible for regulating the activities of the body (D)</p> Signup and view all the answers

Which protein is responsible for carrying and transporting oxygen through the body?

<p>Hemoglobin (A)</p> Signup and view all the answers

Which protein is responsible for the contraction of muscles in the body?

<p>Myosin (D)</p> Signup and view all the answers

Which protein is involved in storing iron in the liver?

<p>Ferritin (C)</p> Signup and view all the answers

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