Formaldehyde, Commonly Used to Preserve Biological Specimens, Is Shown in the Structure

question 1

Multiple Choice

Formaldehyde, commonly used to preserve biological specimens, is shown in the structure below.If liquid formaldehyde is boiled, which of the following illustrations BEST depicts how formaldehyde looks in the resulting vapor?

• A) diagram a
• B) diagram b
• C) diagram c
• D) diagram d
• E) diagram e

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Definitions:

Interneurons

Neurons located between sensory and motor pathways in the nervous system, involved in the processing and relay of information.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brain, enabling motor and sensory communication between the body and brain.

Spatial Summation

Summation of the local potentials in which two or more action potentials arrive simultaneously at two or more presynaptic terminals that synapse with a single neuron.

Action Potentials

Electrical impulses that travel along the membrane of nerve cells, allowing them to communicate with other cells.