Use the Figure Above to Answer the Corresponding Questions

question 12

Short Answer

Use the figure above to answer the corresponding questions.
Match the following structures with the appropriate letter. Some letters may be used more than once.

_____ Chamber that contains hair cells for hearing
_____ Membrane in which sterocilia for hearing are embedded
_____ Number identifying the helicotrema
_____ Contains perilymph
_____ Identifies the oval window
_____ Identifies the organ that contains hair cells sensitive to sound vibrations

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Definitions:

Recessive

A term often used in genetics to describe a trait that is not expressed unless two copies of the gene are present.

Karyotypes

The number and appearance of chromosomes in the nucleus of a eukaryotic cell, which can be analyzed to identify genetic abnormalities.

Postnatal Brain Growth

The process of brain development and increase in size that occurs after birth through childhood and adolescence.

Synapses

Connections among neurons, usually between the dendrite of one neuron and the axon of another neuron, or between the dendrites of one neuron and the cell body of a second neuron. At the synapse there is a gap between neurons, which can be bridged by chemicals called neurotransmitters.