Why herbivores must spend a large portion of each day, eating. Introduction: The food of herbivores is easily available, but difficult to digest.

Question

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Answer 1

Question

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

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1. In vivo testing provides valuable insight into a drug’s kinetics. Assessing drug kinetics following multiple different routes of administration provides greater insight than just a single route of administration alone. The following data was collected in 250 g rats following bolus iv, oral (po), and intraperitoneal (ip) administration.Using this data and set of graphs, determine: (a) k, C0, V, and AUC* for the bolus iv data (b) k, ka, B1, and AUC* for the po data (c) k, ka, B1, and AUC* for the ip data (d) relative bioavailability for po vs ip, Fpo/Fip (e) absolute po bioavailability, (f)Fpo absolute ip bioavailability, Fip MAKE SURE ANSWERS HAVE UNITS if appropriate. SHOW ALL WORK, including equation used, variables used and each step to your solution.

2. Drug quantification from plasma is commonly performed by using techniques such as HPLC or LC/MS. However, these methods do have limitations, and investigators may choose to use a radiolabeled analog of a drug instead. Radioligands are molecules that contain radioactive isotopes, commonly 3H or 14C. This technique allows investigators to quantify drug concentration from radiation measurements. The following measurements were made in 250 g rats following oral administration of 18.2 µCi of a 14C-labeled drug of interest: Time (min) Plasma Radiation Levels (µCi/L) 0 0.0 2 9.7 4 19.2 7 25.3 9 37.8 12 39.6 14 45.8 17 48.8 20 52.0 25 56.4 30 59.2 35 60.1 40 61.1 45 62.1 50 62.8 60 63.1 70 62.1 80 60.1 90 57.3 100 55.5 110 53.7 120 52.2 150 48.0 180 45.0 240 39.0 Note that a µCi is a measure of the amount of radioactivity and hence is a measure of the amount of drug present. Given that the oral bioavailability of this drug is known to be essentially 100%, estimate the following from this…

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Answer 2

Question

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

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Answer 3

Question

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

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Answer 4

Question

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

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Answer 5

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

Answer 6

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

Answer 7

Chapter 23, Problem 1SA

Summary Introduction

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Answer 8

Expert Solution & Answer

Explanation of Solution

Plants are easily available sources of food; however, they are difficult to digest. Plants are filled with fiber, and provide fewer kilocalories per unit of weight than the meat that carnivores or omnivores eat does. Therefore, herbivores need to eat larger amounts, and more often than carnivores do, to get sufficient energy and nutrients.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Since plants have more fiber, they are harder to digest and provide fewer kilocalories than the meat-based diet of carnivores does. This is why herbivores need to eat throughout the day.

Answer 12

Ch. 23 - Prob. 1SA Ch. 23 - Prob. 2SA Ch. 23 - Prob. 3SA Ch. 23 - Prob. 4SA Ch. 23 - Prob. 5SA Ch. 23 - Prob. 6SA Ch. 23 - Prob. 7SA Ch. 23 - Prob. 8SA Ch. 23 - Prob. 9SA Ch. 23 - Prob. 10SA

Why herbivores must spend a large portion of each day, eating. Introduction: The food of herbivores is easily available, but difficult to digest.

Solution Summary: The author analyzes why herbivores need to eat a large portion of each day to get sufficient energy and nutrients. Plants are easily available, but difficult to digest.

Videos

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.

Explanation of Solution

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Chapter 23 Solutions

Why herbivores must spend a large portion of each day, eating. Introduction: The food of herbivores is easily available, but difficult to digest.

Solution Summary: The author analyzes why herbivores need to eat a large portion of each day to get sufficient energy and nutrients. Plants are easily available, but difficult to digest.

Videos

To analyze: Why herbivores must spend a large portion of each day, eating. Introduction: The food of herbivores is easily available, but difficult to digest.

Explanation of Solution

Want to see more full solutions like this?

Chapter 23 Solutions

To analyze:

Why herbivores must spend a large portion of each day, eating.

Introduction:

The food of herbivores is easily available, but difficult to digest.