Food Science: Meat, Fish, and Poultry
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Questions and Answers

What is the primary constituent of muscle tissue?

  • Protein
  • Fat
  • Water (correct)
  • Carbohydrate

Which of the following proteins are most abundant in muscle tissue?

  • Glycogen and Glucose
  • Casein and Lactose
  • Myosin, Actin, and Tropomyosin (correct)
  • Collagen and Elastin

What is the approximate percentage of fat in muscle tissue?

  • 1-2%
  • 15-20%
  • 25-30%
  • 4-10% (correct)

What is the primary carbohydrate found in muscle tissue?

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

What determines the quality of meat?

<p>The factors related to the animal's breed, feed, and handling (A)</p> Signup and view all the answers

What is the percentage of carbohydrates in muscle tissue?

<p>Less than 1% (C)</p> Signup and view all the answers

What is the basic building block of muscle tissue?

<p>Protein molecules (B)</p> Signup and view all the answers

What type of protein is found in the structural sheaths within and between muscles?

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

What is the term for the fatty deposits found in muscle tissue?

<p>Fat depots (B)</p> Signup and view all the answers

What is the characteristic of the fatty acid Palmitic?

<p>16 carbon atoms, no double bonds (B)</p> Signup and view all the answers

What is the term for the smaller structures that combine to form a muscle?

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

What is the main component of connective tissue in meats?

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

What is the common component of Hemoglobin and Myoglobin?

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

What is the result of metmyoglobin formation?

<p>Brownish-red color (A)</p> Signup and view all the answers

What happens to the pigment when red meat cooks?

<p>Oxymyoglobin converts to denatured globin hemichrome (C)</p> Signup and view all the answers

What is the effect of heating on the color of fish?

<p>It increases opacity (D)</p> Signup and view all the answers

What is the color of poultry when cooked?

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

What is the result of intense heat on poultry?

<p>It becomes reddish-pink (D)</p> Signup and view all the answers

What percentage of protein is found in dried soybeans?

<p>34% (B)</p> Signup and view all the answers

What is the process of making tofu similar to?

<p>Making cheese from animal milks (B)</p> Signup and view all the answers

What is tempeh?

<p>A fermented soybean product (B)</p> Signup and view all the answers

What is the benefit of using textured soy protein as a meat extender?

<p>It allows a given quantity of meat to serve a larger number of people (B)</p> Signup and view all the answers

At what point does the pH reach during rigor mortis?

<p>At the isoelectric point of proteins (A)</p> Signup and view all the answers

What is Quornâ„¢ Mycoprotein?

<p>A protein produced by a fungus (B)</p> Signup and view all the answers

What is the purpose of mixing textured soy protein with ground meats?

<p>To reduce the cost of the meat (A)</p> Signup and view all the answers

What happens to the water in the fibers during rigor mortis?

<p>Water is forced out of the fibers (C)</p> Signup and view all the answers

When can bacterial spoilage begin?

<p>After rigor mortis has passed (D)</p> Signup and view all the answers

Why should cooking or freezing not begin until rigor mortis has passed?

<p>To prevent meat from becoming tough (B)</p> Signup and view all the answers

How do animal carcasses compare to poultry or fish in terms of emerging from rigor mortis?

<p>They emerge somewhat more slowly (B)</p> Signup and view all the answers

What is the effect of prompt chilling of poultry carcasses by immersion in ice water?

<p>It retards rigor mortis and achieves tenderness (C)</p> Signup and view all the answers

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