Epithelial cells of the capillary wall form a highly selective semipermeable border that involves the separation of the circulating blood from the brain and extracellular fluid in the CNS (central nervous system), and is known as the blood–brain barrier. This barrier involves the movement of water, some gases, and liquid soluble molecules by passive diffusion.

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magine that you are conducting research on fruit type and seed dispersal. You submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Describe two characteristics that you would expect in seeds that are dispersed by the wind. Contrast this with what you would expect for seeds that are gathered, buried or eaten by animals, and explain why they are different. (Editor’s note: Providing this information in your discussion will help readers to consider the significance of the research).

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Question

Chapter 40, Problem 5TYK

Summary Introduction

Introduction:

Epithelial cells of the capillary wall form a highly selective semipermeable border that involves the separation of the circulating blood from the brain and extracellular fluid in the CNS (central nervous system), and is known as the blood–brain barrier. This barrier involves the movement of water, some gases, and liquid soluble molecules by passive diffusion.

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magine that you are conducting research on fruit type and seed dispersal. You submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Describe two characteristics that you would expect in seeds that are dispersed by the wind. Contrast this with what you would expect for seeds that are gathered, buried or eaten by animals, and explain why they are different. (Editor’s note: Providing this information in your discussion will help readers to consider the significance of the research).

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