The two structural features that favor diffusion. Concept Introduction: Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

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Answer 1

Question

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

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Q8. A researcher wants to study the effectiveness of a pill intended to reduce stomach heartburn in pregnant women. The researcher chooses randomly 400 women to participate in this experiment for 9 months of their pregnancy period. They all need to have the same diet. The researcher designs two groups of 200 participants: One group take the real medication intended to reduce heartburn, while the other group take placebo medication. In this study what are: Independent variable: Dependent variable: Control variable: Experimental group: " Control group: If the participants do not know who is consuming the real pills and who is consuming the sugar pills. This study is It happens that 40% of the participants do not find the treatment helpful and drop out after 6 months. The researcher throws out the data from subjects that drop out. What type of bias is there in this study? If the company who makes the medication funds this research, what type of bias might exist in this research work?

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Answer 2

Question

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

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Answer 3

Question

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

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Answer 4

Question

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

Answer 6

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

Answer 7

Chapter 39, Problem 1QC

Summary Introduction

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Answer 8

Expert Solution & Answer

Explanation of Solution

The two structural features that favor the diffusion rate are:

1. Large surface area – Large surface area for gaseous exchange is required because diffusion rate is directly proportional to the surface area.
2. Short diffusion distance – For maintaining the proper rate of diffusion, the distances at which the molecules move should be short. This is because the diffusion rate and distance are inversely proportional to each other.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Large surface area and the short diffusion distance are two structural features that favor the diffusion.

Answer 12

Ch. 39 - Prob. 1QC Ch. 39 - Prob. 2QC Ch. 39 - Prob. 3QC Ch. 39 - Prob. 4QC Ch. 39 - Prob. 5QC Ch. 39 - Prob. 6QC Ch. 39 - Prob. 1SA Ch. 39 - Prob. 2SA Ch. 39 - Prob. 3SA Ch. 39 - Prob. 4SA

The two structural features that favor diffusion. Concept Introduction: Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Concept explainers

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To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Explanation of Solution

Want to see more full solutions like this?

Chapter 39 Solutions

The two structural features that favor diffusion. Concept Introduction: Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Concept explainers

Videos

To determine: The two structural features that favor diffusion. Concept Introduction: Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.

Explanation of Solution

Want to see more full solutions like this?

Chapter 39 Solutions

To determine:

The two structural features that favor diffusion.

Concept Introduction:

Diffusion is the natural phenomenon of random movement of molecules from high concentration to lower concentration. Living organism which may be eukaryote or prokaryote exchange the gases by diffusion.