Protein Digestion Process Overview
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Questions and Answers

What is the role of hemoglobin in the blood?

  • Speeding up cellular reactions
  • Transporting oxygen (correct)
  • Producing body movements
  • Regulating fluid levels

Which proteins interact to shorten muscles and produce body movements?

  • Myosin and Actin (correct)
  • Hemoglobin and Edema
  • Enzymes and Amino Acids
  • Lipases and Proteases

What is the primary function of enzymes in cellular reactions?

  • Shorten muscle length
  • Transport substances in the blood
  • Maintain appropriate fluid levels
  • Speed up the rate of reactions (correct)

Which proteins act as doors opening and closing protein channels based on conditions?

<p>Subunits of transmembrane proteins (A)</p> Signup and view all the answers

What do amino acids found in blood proteins help maintain?

<p>Appropriate fluid levels (B)</p> Signup and view all the answers

During muscle contraction, what happens when myosin proteins bind to actin chains?

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

What does it mean for plant products to be incomplete?

<p>They lack one or more essential amino acids. (C)</p> Signup and view all the answers

What is the main role of proteins in the body?

<p>Growth and repair of tissues (C)</p> Signup and view all the answers

Which of the following is true about protein malnutrition?

<p>It impacts growth and development. (D)</p> Signup and view all the answers

What does protein quality typically refer to?

<p>How well amino acids are absorbed and if they match the body's needs (D)</p> Signup and view all the answers

How much protein is recommended based on body weight for individuals 18 years and older?

<p>0.8 g/kg body weight (D)</p> Signup and view all the answers

How can vegetarians and vegans in Canada meet their protein needs according to the text?

<p>By consuming a variety of plant sources of protein (C)</p> Signup and view all the answers

Which journal article discusses the effects of protein on the calcium economy?

<p>International Congress Series (C)</p> Signup and view all the answers

In which journal was the study on Long-term processed and unprocessed red meat consumption and risk of heart failure published?

<p>International Journal of Cardiology (A)</p> Signup and view all the answers

Which journal article focuses on body composition and strength changes in women with milk and resistance exercise?

<p>Medicine &amp; Science in Sports &amp; Exercise (D)</p> Signup and view all the answers

Which journal article discusses protein intake and calcium homeostasis?

<p>Nutrition and Osteoporosis (B)</p> Signup and view all the answers

In which journal was the study on 'Kwashiorkor in the United States' published?

<p>Journal of Sports Science &amp; Medicine (A)</p> Signup and view all the answers

Which journal article discusses 'Dietary Protein and Renal Function'?

<p>Journal of Clinical Nutrition (D)</p> Signup and view all the answers

Where does the mechanical digestion of protein begin?

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

Which enzyme unravels proteins in the stomach?

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

Where does protein digestion primarily occur?

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

How are amino acids absorbed in the small intestine?

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

What happens to amino acids not metabolized in the liver?

<p>Used by tissues for various functions (D)</p> Signup and view all the answers

Why can't the body absorb polypeptides longer than three amino acids?

<p>They are too large to pass through the intestinal wall (B)</p> Signup and view all the answers

What are the limiting amino acids missing from incomplete proteins called?

<p>Essential amino acids (C)</p> Signup and view all the answers

Which of the following plant sources of protein is considered complete?

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

What concept refers to the practice of ensuring all essential amino acids are consumed by eating a variety of plant products?

<p>Complementing Proteins (B)</p> Signup and view all the answers

What process does the body use to make a non-essential amino acid from another amino acid?

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

When essential amino acids are lacking in the diet, what happens to protein synthesis?

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

In what scenario can limiting amino acids compromise protein synthesis according to the text?

<p>In a diet lacking essential amino acids (B)</p> Signup and view all the answers

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