All of the Following Are True Statements About Bacterial S-Layers

question 60

Multiple Choice

All of the following are true statements about bacterial S-layers EXCEPT that they

• A) are commonly found in Gram-positive cells as well as in archaea.
• B) are a crystalline layer consisting of protein or glycoprotein.
• C) present a formidable physical barrier to predators or parasites.
• D) are found in bacteria freshly isolated from natural sources.
• E) are found in bacteria isolated from laboratory cultures.

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Definitions:

Atmospheric Conditions

Refers to the state of the atmosphere at a certain place and time, including factors such as temperature, humidity, wind speed, and air pressure.

Truck Air-Conditioning System

A system designed to cool the interior of a truck, providing comfort to the occupants.

Conditions Underhood

The environmental and operational conditions present in the area under a vehicle's hood, affecting engine and component performance.

Ram Air

Air forced into the engine or passenger compartment when a vehicle moves down a highway. Ram air effect is zero when the vehicle is stationary and increases with vehicle speed. Many truck heat exchangers rely on ram air effect.