What are the roles of proteins in the body.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Chapter 6: PROTEINS

  1. What are the roles of proteins in the body.
  2. a) What is the basic unit of proteins?

b.)What are Essential Amino Acids?

c.)How many essential and how many non-essential amino acids do we have?

  1. Explain why protein formation is an all or nothing event? How are the amino acids recycled?
  2. What is protein denaturation?
  3. Is denaturation harmful or beneficial? Explain your answer
  4. a.) How proteins digested and absorbed in the body?

b.) What happens to an amino acid if it consumed in large amounts? Is it all absorbed?

c.) What happens to proteins once absorbed into the body’s cells? What are they initially used for?

7.) What is protein quality? Give examples of high and low quality proteins.

8.) What happens to excess amino acids?

9.) What is a limiting amino acid? Explain what happens if an amino acid is limiting.

10.) a.)Does everyone need to eat animal protein?

      b.) what are some health benefits of a vegetarian diet?

      c.) What are the nutrients that a commonly lacking in vegetarians diets?

      d.) Is this due to a lack of animal protein or something else?

11.) What is the recommendation for protein?

12.) How much protein does a 120 pound female need

13.) What subpopulations have a higher need for protein? Should people consume protein or amino acid supplements?

14.) What does being in a positive or negative nitrogen balance mean?

15.) Should Americans be worried about having a protein deficiency?

16.)Are there any adverse health effects of excessive protein intake? If yes, what?

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