Which Type Ofarchaea Use a Pigment Related to the Rhodopsin

question 30

Multiple Choice

Which type ofarchaea use a pigment related to the rhodopsin, a pigment found in human eyes, to absorb solar energy and pump chloride ions?

• A) methanogens
• B) halophiles
• C) thermoacidophiles
• D) alkaliphiles
• E) psychrophiles

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Definitions:

Behavior

The actions or reactions of an organism, often in response to its environment.

Altruistic Behavior

Occurs whenever a helping individual behaves in a way that benefits another individual at a cost to its own fitness.

Hamilton

A city in Ontario, Canada, known for its industrial heritage, or referring to William D. Hamilton, a biologist who made significant contributions to the theory of evolution.

Alleles

Variants of a gene that determine distinct traits which can be passed from parents to offspring.