Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433776
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
Chapter 33.1, Problem 3CC
WHAT IF? if a zoo animal eating ample food shows signs of malnutrition, how might a researcher determine which nutrient is lacking in its diet?
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Here's the question: "Do we know all the essential nutrients (for humans)
including the amounts required by humans for healthy nutrition?" What do you
think? What is the evidence? What is the difference between "essential
nutrients" and "RDI amounts of essential nutrients"? If you were a research
scientist how would you prove your hypothesis? We are not asking about
"foods" but rather "essential nutrients" - there's a difference!. We are not
talking about "therapeutic nutrition" but rather "normal nutrition"
"Science doesn't know everything" is not a good answer. "New foods will be
discovered" is not a good answer. Your answer should not include herbal
medications or drugs or answers like "who knows what we may discover in the
future?" or anything about possible discoveries in the Amazonian rain forest!
You may want to look up "Total Parenteral Nutrition" and see what is currently
being done in clinical nutrition based on current knowledge - does that help
you answer the question? For…
Q3) List and describe the five principles of a healthy
diet.
Q4) Explain Dietary Reference Intakes (DRI) and
Recommended Dietary Allowances (RDA).
What is the carnivore diet and what does it entail? What are the goals of this diet? Who would benefit from this diet? Does this diet need to be modified for an athlete versus a sedentary individual? If so, why and how?
Chapter 33 Solutions
Campbell Biology in Focus; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for Campbell Biology in Focus (2nd Edition)
Ch. 33.1 - An animal requires 20 amino acids to make...Ch. 33.1 - Prob. 2CCCh. 33.1 - WHAT IF? if a zoo animal eating ample food shows...Ch. 33.2 - Prob. 1CCCh. 33.2 - In what sense are nutrients from a recently...Ch. 33.2 - Prob. 3CCCh. 33.3 - How does swallowed food reach the stomach of a...Ch. 33.3 - Explain why a proton pump inhibitor, such as the...Ch. 33.3 - Prob. 3CCCh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1CCCh. 33.5 - The energy required to maintain each gram of body...Ch. 33.5 - Prob. 3CCCh. 33 - The mammalian trachea and esophagus both connect...Ch. 33 - Which organ is incorrectly paired with its...Ch. 33 - Which of the following is not a major activity of...Ch. 33 - Prob. 4TYUCh. 33 - Prob. 5TYUCh. 33 - If you were to jog 1 km a few hours after lunch,...Ch. 33 - Prob. 7TYUCh. 33 - Prob. 8TYUCh. 33 - FOCUS ON EVOLUTION The human esophagus and trachea...Ch. 33 - Prob. 10TYUCh. 33 - Prob. 11TYU
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- Vegetarian diets are associated with a lower risk of obesity and diabetes as well as other chronic conditions (Marsh, Zeuschner, & Saunders, 2012). Clearly a vegetarian diet can be a healthy one, but can a vegetarian diet lack nutrients? If so, which nutrients may be lacking? How could these nutrients be measured in the body to determine if someone is deficient in them? Are there vegetarian foods that provide these nutrients or would supplementation be necessary? Are there any interactions to be aware of with the supplements that a vegetarian may take?arrow_forwardThe data in figures 1 shows differences in nutrition between more economically developed countries (MEDC’s) and less economically developed Countries (LEDC’s). (a) Use the data, calculate the percentage of total protein that animal protein represents for MEDC’s and LEDC’s. (b) explain the differences you have identified in (a).arrow_forwardWhat are key take-aways from Josette Sheeran's TEDX talk on "Ending huger Now"? How might the recommendations mentioned in the video might impact the global burden of malnutrition.?arrow_forward
- Q1) Compare Atkins and Keto diets showing similarities and differences? Q2) Select an item in your kitchen that have food label. List the amount of calories and determine the percent calories from fat, carbohydrate, and protein for that items. Make a general statement about what you learned about that food. Q3) List and describe the five principles of a healthy diet. Q4) Explain Dietary Reference Intakes (DRI) and Recommended Dietary Allowances (RDA).arrow_forwardWhy are "fixed formula diets" for animals more beneficial than "variable formula diets"?arrow_forwardQUESTION 4 What is the difference between malnutrition and undernourishment? Malnutrition is a failure to obtain the right amount of nutrition while undernourishment occurs when there is not sufficient energy within a diet O Malnutrition is when there is not sufficient energy within a diet while undernourishment occurs when there is not an appropriate amount of nutrition Malnutrition occurs in humans only while undernourishment occurs in all animals There is no difference - these terms are interchangeablearrow_forward
- Question 1 How can adults still meet their nutritional needs without gaining weight? Question 2 What are food jags?arrow_forwardDo you think that the differences between the USDA’s MyPlate and Harvard’s Healthy Eating Plate are important? Why or why not? Which plate would you recommend as a guide for healthy eating? Note: You are not comparing websites. You are comparing the recommendations illustrated in the USDA plate to the recommendations illustrated in Harvard’s Healthy Eating Plate.arrow_forwardQUESTION 2 What is an essential nutrient? A substance that animals require, and can build from smaller molecules A substance that animals require, but can't build themselves A substance that is not contained in the diet of an herbivore A substance that is required in large amounts O O Oarrow_forward
- Do we know all the essential nutrients (for humans) including the amounts required by humans for healthy nutrition?" What do you think? What is the evidence? What is the difference between "essential nutrients" and "RDI amounts of essential nutrients"? If you were a research scientist how would you prove your hypothesiarrow_forwardThe CDC states "The estimated annual medical cost of obesity in the U.S. was $147 billion in 2008; the medical costs for people who are obese were $1,429 higher than those of normal weight." Question: What would be a good policy that would help align American life away from obesity?arrow_forwardThe Recommended Dietary Allowance (RDA) is best described by which one of the following? Question 98 options: a) A reasonable dietary goal for the intake of a nutrient by a healthy individual b) It is based principally on data obtained with laboratory animals c) The average amount of a nutrient ingested daily by 50% of the population d) The average amount of a nutrient required each day to maintain normal function in 50% of the populationarrow_forward
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