It Is Accurate to Say That Neural Transmission Across Nearly

question 7

Multiple Choice

It is accurate to say that neural transmission across nearly all mammalian synaptic clefts is the result of

• A)neural impulses involving the flow of K⁺ and Na⁺ across the cleft.
• B)neural impulses traveling across the gap as electrical currents.
• C)neural impulses causing the release of chemicals that diffuse across the cleft.
• D)neural impulses traveling across the cleft in both directions.
• E)the calcium within the axons and dendrites of nerves adjacent to a synapse acting as the neurotransmitter.

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Definitions:

Natural Ecosystems

Communities of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Introducing New Species

The act of bringing a species into an ecosystem where it does not naturally occur, potentially disrupting local ecosystems.

Population Change Curve

A graph that shows how the size of a population changes over time.

Volatile

Characterized by rapid and unpredictable changes or fluctuations, often used to describe chemical substances that easily vaporize at normal temperatures or financial markets prone to rapid changes.