Sulfolobus Are Archaea That Are Commonly Found in Geothermal Environments,with

question 31

Multiple Choice

Sulfolobus are archaea that are commonly found in geothermal environments,with an optimum growth temperature of about 80°C.What feature allows archaea to thrive at such temperatures?

• A)Archaea use the heat from their environment to produce ATP.
• B)Archaea are highly adaptable to changing environmental temperatures.
• C)Archaeal membranes contain special lipids.
• D)Archaea have two cell walls which helps prevent heat absorption.

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Definitions:

Refractory Period

A time right after stimulation when a nerve or muscle cannot respond to additional stimulation.

Neuronal Membrane

The phospholipid bilayer that encases a neuron, allowing for the regulation of ion flow necessary for transmitting nerve impulses.

Sodium

A chemical element, symbol Na, that is a soft, silvery-white, highly reactive metal and is used in various compounds and biological functions.

Synaptic Cleft

The tiny gap between neurons at a synapse, through which neurotransmitters are released to transmit nerve impulses from one neuron to another.