Otto Loewi Demonstrated That Neurons Transmit Signals Across Synapses by ____

question 74

Multiple Choice

Otto Loewi demonstrated that neurons transmit signals across synapses by ____.

• A) electrical signals
• B) calcium channels
• C) acetylcholine
• D) chemical signals
• E) proteins

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Definitions:

Z-score

A metric that depicts how far a certain value stands from the mean of a collection of values, using the unit of standard deviations for measurement.

First Quartile

The value below which 25% of the data falls, marking the lower quarter of a data set.

Quartile

A type of quantile that divides a rank-ordered dataset into four equal parts.

Standard Normal Variable

A random variable that has a mean of 0 and a standard deviation of 1, following the standard normal distribution.