BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 36, Problem 1CT
A python can survive by eating a large meal once or twice a year. When it does eat, microvilli in its small intestine lengthen fourfold and its stomach
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Experiments have been done on mice where they take away nucleic acids from their diets. Their findings showed that the mice without nucleic acids in their diet grew more slowly and also has shorter villi in their small intestines. Why might it make sense that a mouse with shorter intestinal villi would have slower growth?
1-Shorter villi in the small intestine would mean a reduced ability to absorb food only.
2-Shorter villiv inthe small intestine would mean a reduced aboilty to dihgest food and a reduced ability to absorb food.
3-Shorter villi in the small intestine would mean a reduced ability to digest food only.
4-shorter villi in the small intestine would mean a reduced ability to digest food and an increased ability to absorb food.
For people who want to lose weight, one of the most popular diets is a protein-rich, carbohydrate, and fat-free diet. One risk of this diet is the formation of kidney stones. Explain why
If rats are limited to eating for one hour a day, what determines whether or not they will lose weight?
Chapter 36 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 36 - Flatworms digest food ___________ a. inside their...Ch. 36 - Prob. 2SACh. 36 - Prob. 3SACh. 36 - Bile has a role in _________ digestion and...Ch. 36 - Prob. 5SACh. 36 - Bacteria in the ________ make essential vitamins....Ch. 36 - Prob. 7SACh. 36 - Prob. 8SACh. 36 - Prob. 9SACh. 36 - Prob. 10SA
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Match the following: a. Stimulates milk production 1. Transport protein b. Controls carbohydrate mechanism 2. Structural protein c. Decreases urine production 3. Catalytic protein d. Hemoglobin belongs to this class 4. Storage protein e. Protein that acts as enzyme 5. Vasopressin f. Nerve impulse transmission 6. Insulin g. Keratin belongs to this class 7. Rhodopsin n. Gliadin and casein 8. Oxytocinarrow_forwardThe small intestine of the pig has significantly more surface area (through folds and villi) than that of the frog, and if you were to remove them, the small intestine of the pig is several times longer than that of the frog. This additional surface area maximizes nutrient absorption by the pig. Why might the pig need more energy from its food than the frog?arrow_forwardCats should eat more than once a day. Mention two research articles related to this topic.arrow_forward
- There are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets? Compare the incomplete and complete digestive systems. What are the functions of accessory organs in a complete digestive system? Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain. What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanationarrow_forwardExplain why protein should be included in the diet. What will happen to the human body if we are deficient in particular vitamins and trace elements? Give examples of effects of vitamin and mineral deficiencies. There are 20 amino acids needed to make proteins in the animal body. Why aren't they all considered essential to animal diets? Compare the incomplete and complete digestive systems. What are the functions of accessory organs in a complete digestive system? Explain how digestion is regulated in animals. What are the organ systems involved in regulation of digestion? Explain. What are the health problems associated with nutrition and digestive system? Give atleast 3 examples with explanationarrow_forwardSailors used to pack a few food items with a high caloric load to have the energy to survive the physically demanding deck work when crossing oceans. However, they felt weak after a few weeks at sea. What type of nutrients is likely missing?Do not be specific. Think of the big question, and write a short answer.arrow_forward
- Choose is constructing a diagram of the digestive tract of cattle. Her diagram includes a rumen, which is a pouch-like extension of the esophagus. Which addition to the diagram would be most useful to model the function of the rumen in food digestion?arrow_forwardA young man says that he is consuming much more protein in his diet than the recommended amount. He feels that he needs the extra amount just in case he wants to build more muscle mass in the near future. How would you respond to him? Group of answer choices It should be fine because the cells in his body will store the extra amino acids for future use. If he has excess calories in his diet, he may gain fat from converted protein. The extra protein will be used as fuel instead of carbohydrate. His body won't digest the extra protein and will eliminate the excess in feces. The excess amino acids can only be stored for up to 48 hours.arrow_forwardBody builders often consume Upper levels of recommended protein. Use research to debate whether or not a diet higher than 2.5 g of protein per kg of body weight is safe for the body. A. Is it detrimental to consume more than 2.5 g protein per kg of body weight? B. Which type of the various protein preparations (protein concentrate, isolates, and hydrolysates) should be consumed and why?arrow_forward
- The stomach has two types of exocrine secretory cells: chief cells that secrete an inactive form of a protein-digesting enzyme, pepsinogen parietal cells that secrete hydrochloric acid (HCl), which activates pepsinogen Both these cell types have an abundance of mitochondria for ATP production - the chief cells for the energy needed needed to synthesize pepsinogen, the parietal cells for the energy needed to transport H+ and Cl- from the blood into the stomach lumen. But only one of these cell types also has an extensive rough endoplasmic reticulum and abundant Golgi stacks. Explain which cell type would have extensive rough ER and Golgi stacks and why. Also explain which cell type would not have as extensive a rough ER and Golgi stacks and why.arrow_forwardIf a zoo animal eating ample food shows signs of malnutrition, how might a researcher determine which nutrient is lacking in its diet?arrow_forwardFigure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.arrow_forward
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