Halobacterium Salinarum Lives in and Requires a High Salt Concentration

question 4

Multiple Choice

Halobacterium salinarum lives in and requires a high salt concentration. This is an example of an archaeon described as a ______.

• A) barophile
• B) psychrophile
• C) halophile
• D) thermophile

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Definitions:

Arachnoid Mater

The arachnoid mater is a delicate, web-like layer of the meninges located between the dura mater and the pia mater, surrounding the brain and spinal cord.

Dura Mater

The tough outermost membrane that covers the brain and spinal cord, providing protection.

White Matter

A type of central nervous system tissue consisting mainly of myelinated nerve fibers, which transmits signals throughout the nervous system.

Gray Matter

Regions of the brain and spinal cord made up of nerve cell bodies and dendrites, involved in muscle control and sensory perception.