What Is a Hierarchy

question 39

Essay

What is a hierarchy?

Understand the role of peroxisomes and glyoxysomes in cellular metabolism.

Describe the structure of cilia and its significance in cell movement.

Understand the mechanisms of cell communication and material transport between cells.

Understand the elements required to challenge a search under the Fourth Amendment.

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Definitions:

Night Terrors

A sleep disorder causing feelings of terror or dread, and typically occurs during the first hours of stage 3-4 non-REM sleep; differs from nightmares.

Non-REM Sleep

A stage of sleep characterized by slower brain waves, reduced body movement, and absence of dreams, consisting of stages 1, 2, and deep stages 3 and 4.

Nightmares

Disturbing dreams that cause the dreamer to wake up feeling anxious and frightened.

REM Sleep

A stage of sleep characterized by rapid eye movements and is closely associated with vivid dreaming.