A Surprising Finding of Environmental Metagenomic Studies Is That a Majority

question 10

Multiple Choice

A surprising finding of environmental metagenomic studies is that a majority of genes in the environment are

• A) from microbes grown in the lab.
• B) viral in origin.
• C) eukaryotic in origin.
• D) from extinct microorganisms.

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Definitions:

Transduction

A process by which sensory receptors change physical stimuli into signals that are eventually sent to the brain.

Thalamus

A crucial brain structure acting as a relay station for information between the cerebral cortex and the rest of the body.

Hypothalamus

A region of the brain that controls an immense number of bodily functions including emotions, autonomic functions, and hormone production.

Hippocampus

A major component of the brain involved in memory formation and spatial navigation.