The Use of a Molecular Clock May Be Used to Indicate

question 44

Multiple Choice

The use of a molecular clock may be used to indicate relatedness and evolutionary time

• A)if nucleic acid changes are neutral and not tied to adaptation.
• B)if nucleic acid changes occur at a fairly constant rate.
• C)but is more strongly supported when it can be compared with the fossil record.
• D)All of the choices are correct.

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Definitions:

Pyramidal Cell

Distinctively shaped interneuron found in the cerebral cortex.

Dendrites

Branchlike extensions of neurons that receive signals from other neurons.

Axon

A narrow, lengthy protrusion from a neuron, or nerve cell, that often directs electrical impulses from the neuron's cell body outward.

Afferent Sensory

Pertains to the transmittal of sensory signals to the central nervous system.