Compared with Segments of Unmyelinated Axon Membrane,channels at a Node

question 73

Multiple Choice

Compared with segments of unmyelinated axon membrane,channels at a node of Ranvier are 

• A) about the same density. 
• B)about half the density. 
• C)approximately twice as dense. 
• D)approximately ten times as dense.

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Definitions:

Taxonomy

The science of naming, describing, and classifying organisms; see systematics.

Organisms

Individual living entities that can carry out life processes independently, ranging from bacteria and fungi to plants and animals.

Energy Flow

Passage of energy in a one-way direction through an ecosystem.

Ecosystem

The interacting system that encompasses a community and its nonliving, physical environment. Compare with community.