Which Statement About the Domain Archaea Is True

question 68

Multiple Choice

Which statement about the domain archaea is true?

• A)Genetic prospecting has recently revealed the existence of many previously unknown archaean species.
• B)No archaeans can reduce CO₂ to methane.
• C)The genomes of archaeans are unique,containing no genes that originated within bacteria.
• D)No archaeans can inhabit solutions that are nearly 30% salt.
• E)No archaeans are adapted to waters with temperatures above the boiling point.

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Definitions:

Thoracic Cavity

The chamber of the human body located between the neck and the abdomen, encased by the ribs, sternum, and vertebral column; it contains the lungs and heart.

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a lubricating fluid to reduce friction from muscle movement.

Hypothalamus

The hypothalamus is a small but crucial part of the brain that regulates many bodily functions, including temperature, hunger, and hormone release.

Skeletal Muscle

A type of muscle that is attached to bones and is involved in facilitating movement through contraction.